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Finding the Fourth Proportional to 75,264.90, 112,914.21 and 25,341.15

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Solution

The fourth proportional to 75,264.90, 112,914.21 and 25,341.15 is: 38,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,264.90 : 112,914.21 = 25,341.15 : x
  2. Step 2: Convert to fraction form
    75,264.90/112,914.21 = 25,341.15/x
  3. Step 3: Cross multiply
    75,264.90x = 112,914.21 × 25,341.15
  4. Step 4: Simplify right side
    75,264.90x = 2,861,375,932.74
  5. Step 5: Solve for x
    x = 2,861,375,932.74/75,264.90
  6. Step 6: Final answer
    x = 38,017.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.