Home / 74,343.13-102,593.59-40,351.61

Finding the Fourth Proportional to 74,343.13, 102,593.59 and 40,351.61

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Solution

The fourth proportional to 74,343.13, 102,593.59 and 40,351.61 is: 55,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.13 : 102,593.59 = 40,351.61 : x
  2. Step 2: Convert to fraction form
    74,343.13/102,593.59 = 40,351.61/x
  3. Step 3: Cross multiply
    74,343.13x = 102,593.59 × 40,351.61
  4. Step 4: Simplify right side
    74,343.13x = 4,139,816,687.78
  5. Step 5: Solve for x
    x = 4,139,816,687.78/74,343.13
  6. Step 6: Final answer
    x = 55,685.26

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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.