Home / 83,100.20-124,639.34-23,132.66

Finding the Fourth Proportional to 83,100.20, 124,639.34 and 23,132.66

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Solution

The fourth proportional to 83,100.20, 124,639.34 and 23,132.66 is: 34,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.20 : 124,639.34 = 23,132.66 : x
  2. Step 2: Convert to fraction form
    83,100.20/124,639.34 = 23,132.66/x
  3. Step 3: Cross multiply
    83,100.20x = 124,639.34 × 23,132.66
  4. Step 4: Simplify right side
    83,100.20x = 2,883,238,735.98
  5. Step 5: Solve for x
    x = 2,883,238,735.98/83,100.20
  6. Step 6: Final answer
    x = 34,695.93

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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.