Home / 89,161.38-123,039.18-53,330.04

Finding the Fourth Proportional to 89,161.38, 123,039.18 and 53,330.04

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Solution

The fourth proportional to 89,161.38, 123,039.18 and 53,330.04 is: 73,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.38 : 123,039.18 = 53,330.04 : x
  2. Step 2: Convert to fraction form
    89,161.38/123,039.18 = 53,330.04/x
  3. Step 3: Cross multiply
    89,161.38x = 123,039.18 × 53,330.04
  4. Step 4: Simplify right side
    89,161.38x = 6,561,684,390.97
  5. Step 5: Solve for x
    x = 6,561,684,390.97/89,161.38
  6. Step 6: Final answer
    x = 73,593.35

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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.