Home / 83,710.90-125,506.14-39,312.96

Finding the Fourth Proportional to 83,710.90, 125,506.14 and 39,312.96

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Solution

The fourth proportional to 83,710.90, 125,506.14 and 39,312.96 is: 58,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.90 : 125,506.14 = 39,312.96 : x
  2. Step 2: Convert to fraction form
    83,710.90/125,506.14 = 39,312.96/x
  3. Step 3: Cross multiply
    83,710.90x = 125,506.14 × 39,312.96
  4. Step 4: Simplify right side
    83,710.90x = 4,934,017,861.57
  5. Step 5: Solve for x
    x = 4,934,017,861.57/83,710.90
  6. Step 6: Final answer
    x = 58,941.16

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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.