Home / 89,082.68-122,934-48,798.92

Finding the Fourth Proportional to 89,082.68, 122,934 and 48,798.92

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Solution

The fourth proportional to 89,082.68, 122,934 and 48,798.92 is: 67,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.68 : 122,934 = 48,798.92 : x
  2. Step 2: Convert to fraction form
    89,082.68/122,934 = 48,798.92/x
  3. Step 3: Cross multiply
    89,082.68x = 122,934 × 48,798.92
  4. Step 4: Simplify right side
    89,082.68x = 5,999,046,431.28
  5. Step 5: Solve for x
    x = 5,999,046,431.28/89,082.68
  6. Step 6: Final answer
    x = 67,342.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.