Home / 74,548.41-102,874.17-40,555.95

Finding the Fourth Proportional to 74,548.41, 102,874.17 and 40,555.95

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Solution

The fourth proportional to 74,548.41, 102,874.17 and 40,555.95 is: 55,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,548.41 : 102,874.17 = 40,555.95 : x
  2. Step 2: Convert to fraction form
    74,548.41/102,874.17 = 40,555.95/x
  3. Step 3: Cross multiply
    74,548.41x = 102,874.17 × 40,555.95
  4. Step 4: Simplify right side
    74,548.41x = 4,172,159,694.81
  5. Step 5: Solve for x
    x = 4,172,159,694.81/74,548.41
  6. Step 6: Final answer
    x = 55,965.78

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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.