Home / 75,755.13-104,548.30-41,766.72

Finding the Fourth Proportional to 75,755.13, 104,548.30 and 41,766.72

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Solution

The fourth proportional to 75,755.13, 104,548.30 and 41,766.72 is: 57,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,755.13 : 104,548.30 = 41,766.72 : x
  2. Step 2: Convert to fraction form
    75,755.13/104,548.30 = 41,766.72/x
  3. Step 3: Cross multiply
    75,755.13x = 104,548.30 × 41,766.72
  4. Step 4: Simplify right side
    75,755.13x = 4,366,639,572.58
  5. Step 5: Solve for x
    x = 4,366,639,572.58/75,755.13
  6. Step 6: Final answer
    x = 57,641.50

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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.