Home / 84,988.30-127,531.05-58,711.90

Finding the Fourth Proportional to 84,988.30, 127,531.05 and 58,711.90

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Solution

The fourth proportional to 84,988.30, 127,531.05 and 58,711.90 is: 88,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988.30 : 127,531.05 = 58,711.90 : x
  2. Step 2: Convert to fraction form
    84,988.30/127,531.05 = 58,711.90/x
  3. Step 3: Cross multiply
    84,988.30x = 127,531.05 × 58,711.90
  4. Step 4: Simplify right side
    84,988.30x = 7,487,590,254.50
  5. Step 5: Solve for x
    x = 7,487,590,254.50/84,988.30
  6. Step 6: Final answer
    x = 88,101.42

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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.