Home / 83,702.12-125,446.40-39,230.89

Finding the Fourth Proportional to 83,702.12, 125,446.40 and 39,230.89

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Solution

The fourth proportional to 83,702.12, 125,446.40 and 39,230.89 is: 58,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.12 : 125,446.40 = 39,230.89 : x
  2. Step 2: Convert to fraction form
    83,702.12/125,446.40 = 39,230.89/x
  3. Step 3: Cross multiply
    83,702.12x = 125,446.40 × 39,230.89
  4. Step 4: Simplify right side
    83,702.12x = 4,921,373,292.06
  5. Step 5: Solve for x
    x = 4,921,373,292.06/83,702.12
  6. Step 6: Final answer
    x = 58,796.28

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1.5x scale

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.