Home / 83,023.13-124,619.43-60,770.40

Finding the Fourth Proportional to 83,023.13, 124,619.43 and 60,770.40

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Solution

The fourth proportional to 83,023.13, 124,619.43 and 60,770.40 is: 91,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,023.13 : 124,619.43 = 60,770.40 : x
  2. Step 2: Convert to fraction form
    83,023.13/124,619.43 = 60,770.40/x
  3. Step 3: Cross multiply
    83,023.13x = 124,619.43 × 60,770.40
  4. Step 4: Simplify right side
    83,023.13x = 7,573,172,608.87
  5. Step 5: Solve for x
    x = 7,573,172,608.87/83,023.13
  6. Step 6: Final answer
    x = 91,217.62

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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.