Home / 89,432.44-123,389.85-53,609.38

Finding the Fourth Proportional to 89,432.44, 123,389.85 and 53,609.38

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Solution

The fourth proportional to 89,432.44, 123,389.85 and 53,609.38 is: 73,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.44 : 123,389.85 = 53,609.38 : x
  2. Step 2: Convert to fraction form
    89,432.44/123,389.85 = 53,609.38/x
  3. Step 3: Cross multiply
    89,432.44x = 123,389.85 × 53,609.38
  4. Step 4: Simplify right side
    89,432.44x = 6,614,853,356.79
  5. Step 5: Solve for x
    x = 6,614,853,356.79/89,432.44
  6. Step 6: Final answer
    x = 73,964.81

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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.