Home / 89,001.66-122,821.96-48,165.70

Finding the Fourth Proportional to 89,001.66, 122,821.96 and 48,165.70

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Solution

The fourth proportional to 89,001.66, 122,821.96 and 48,165.70 is: 66,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.66 : 122,821.96 = 48,165.70 : x
  2. Step 2: Convert to fraction form
    89,001.66/122,821.96 = 48,165.70/x
  3. Step 3: Cross multiply
    89,001.66x = 122,821.96 × 48,165.70
  4. Step 4: Simplify right side
    89,001.66x = 5,915,805,678.77
  5. Step 5: Solve for x
    x = 5,915,805,678.77/89,001.66
  6. Step 6: Final answer
    x = 66,468.49

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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.