Home / 74,882.46-103,338.30-40,891.19

Finding the Fourth Proportional to 74,882.46, 103,338.30 and 40,891.19

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Solution

The fourth proportional to 74,882.46, 103,338.30 and 40,891.19 is: 56,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882.46 : 103,338.30 = 40,891.19 : x
  2. Step 2: Convert to fraction form
    74,882.46/103,338.30 = 40,891.19/x
  3. Step 3: Cross multiply
    74,882.46x = 103,338.30 × 40,891.19
  4. Step 4: Simplify right side
    74,882.46x = 4,225,625,542.89
  5. Step 5: Solve for x
    x = 4,225,625,542.89/74,882.46
  6. Step 6: Final answer
    x = 56,430.11

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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.