Home / 83,462.26-125,193.48-21,132.76

Finding the Fourth Proportional to 83,462.26, 125,193.48 and 21,132.76

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Solution

The fourth proportional to 83,462.26, 125,193.48 and 21,132.76 is: 31,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,462.26 : 125,193.48 = 21,132.76 : x
  2. Step 2: Convert to fraction form
    83,462.26/125,193.48 = 21,132.76/x
  3. Step 3: Cross multiply
    83,462.26x = 125,193.48 × 21,132.76
  4. Step 4: Simplify right side
    83,462.26x = 2,645,683,766.40
  5. Step 5: Solve for x
    x = 2,645,683,766.40/83,462.26
  6. Step 6: Final answer
    x = 31,699.16

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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.