Home / 74,350.80-102,604.17-40,359.27

Finding the Fourth Proportional to 74,350.80, 102,604.17 and 40,359.27

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Solution

The fourth proportional to 74,350.80, 102,604.17 and 40,359.27 is: 55,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.80 : 102,604.17 = 40,359.27 : x
  2. Step 2: Convert to fraction form
    74,350.80/102,604.17 = 40,359.27/x
  3. Step 3: Cross multiply
    74,350.80x = 102,604.17 × 40,359.27
  4. Step 4: Simplify right side
    74,350.80x = 4,141,029,400.16
  5. Step 5: Solve for x
    x = 4,141,029,400.16/74,350.80
  6. Step 6: Final answer
    x = 55,695.83

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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.