Home / 74,551.20-102,863.76-54,419.06

Finding the Fourth Proportional to 74,551.20, 102,863.76 and 54,419.06

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Solution

The fourth proportional to 74,551.20, 102,863.76 and 54,419.06 is: 75,085.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,551.20 : 102,863.76 = 54,419.06 : x
  2. Step 2: Convert to fraction form
    74,551.20/102,863.76 = 54,419.06/x
  3. Step 3: Cross multiply
    74,551.20x = 102,863.76 × 54,419.06
  4. Step 4: Simplify right side
    74,551.20x = 5,597,748,612.95
  5. Step 5: Solve for x
    x = 5,597,748,612.95/74,551.20
  6. Step 6: Final answer
    x = 75,085.96

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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.