Home / 74,252.50-102,469.79-40,262.13

Finding the Fourth Proportional to 74,252.50, 102,469.79 and 40,262.13

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Solution

The fourth proportional to 74,252.50, 102,469.79 and 40,262.13 is: 55,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252.50 : 102,469.79 = 40,262.13 : x
  2. Step 2: Convert to fraction form
    74,252.50/102,469.79 = 40,262.13/x
  3. Step 3: Cross multiply
    74,252.50x = 102,469.79 × 40,262.13
  4. Step 4: Simplify right side
    74,252.50x = 4,125,652,106.71
  5. Step 5: Solve for x
    x = 4,125,652,106.71/74,252.50
  6. Step 6: Final answer
    x = 55,562.47

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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.