Home / 89,612.62-123,650.95-51,365.13

Finding the Fourth Proportional to 89,612.62, 123,650.95 and 51,365.13

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Solution

The fourth proportional to 89,612.62, 123,650.95 and 51,365.13 is: 70,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.62 : 123,650.95 = 51,365.13 : x
  2. Step 2: Convert to fraction form
    89,612.62/123,650.95 = 51,365.13/x
  3. Step 3: Cross multiply
    89,612.62x = 123,650.95 × 51,365.13
  4. Step 4: Simplify right side
    89,612.62x = 6,351,347,613.38
  5. Step 5: Solve for x
    x = 6,351,347,613.38/89,612.62
  6. Step 6: Final answer
    x = 70,875.59

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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.