Home / 89,248.08-123,148.44-51,515.04

Finding the Fourth Proportional to 89,248.08, 123,148.44 and 51,515.04

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Solution

The fourth proportional to 89,248.08, 123,148.44 and 51,515.04 is: 71,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,248.08 : 123,148.44 = 51,515.04 : x
  2. Step 2: Convert to fraction form
    89,248.08/123,148.44 = 51,515.04/x
  3. Step 3: Cross multiply
    89,248.08x = 123,148.44 × 51,515.04
  4. Step 4: Simplify right side
    89,248.08x = 6,343,996,812.54
  5. Step 5: Solve for x
    x = 6,343,996,812.54/89,248.08
  6. Step 6: Final answer
    x = 71,082.73

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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.