Home / 74,549.91-102,876.24-40,557.45

Finding the Fourth Proportional to 74,549.91, 102,876.24 and 40,557.45

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Solution

The fourth proportional to 74,549.91, 102,876.24 and 40,557.45 is: 55,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,549.91 : 102,876.24 = 40,557.45 : x
  2. Step 2: Convert to fraction form
    74,549.91/102,876.24 = 40,557.45/x
  3. Step 3: Cross multiply
    74,549.91x = 102,876.24 × 40,557.45
  4. Step 4: Simplify right side
    74,549.91x = 4,172,397,959.99
  5. Step 5: Solve for x
    x = 4,172,397,959.99/74,549.91
  6. Step 6: Final answer
    x = 55,967.85

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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.