Home / 74,382.18-102,617.73-47,517.72

Finding the Fourth Proportional to 74,382.18, 102,617.73 and 47,517.72

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Solution

The fourth proportional to 74,382.18, 102,617.73 and 47,517.72 is: 65,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,382.18 : 102,617.73 = 47,517.72 : x
  2. Step 2: Convert to fraction form
    74,382.18/102,617.73 = 47,517.72/x
  3. Step 3: Cross multiply
    74,382.18x = 102,617.73 × 47,517.72
  4. Step 4: Simplify right side
    74,382.18x = 4,876,160,561.18
  5. Step 5: Solve for x
    x = 4,876,160,561.18/74,382.18
  6. Step 6: Final answer
    x = 65,555.49

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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.