Home / 89,561.32-123,590.10-53,744.20

Finding the Fourth Proportional to 89,561.32, 123,590.10 and 53,744.20

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Solution

The fourth proportional to 89,561.32, 123,590.10 and 53,744.20 is: 74,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,561.32 : 123,590.10 = 53,744.20 : x
  2. Step 2: Convert to fraction form
    89,561.32/123,590.10 = 53,744.20/x
  3. Step 3: Cross multiply
    89,561.32x = 123,590.10 × 53,744.20
  4. Step 4: Simplify right side
    89,561.32x = 6,642,251,052.42
  5. Step 5: Solve for x
    x = 6,642,251,052.42/89,561.32
  6. Step 6: Final answer
    x = 74,164.28

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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.