Home / 83,140.24-124,752.08-38,770.48

Finding the Fourth Proportional to 83,140.24, 124,752.08 and 38,770.48

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Solution

The fourth proportional to 83,140.24, 124,752.08 and 38,770.48 is: 58,175.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140.24 : 124,752.08 = 38,770.48 : x
  2. Step 2: Convert to fraction form
    83,140.24/124,752.08 = 38,770.48/x
  3. Step 3: Cross multiply
    83,140.24x = 124,752.08 × 38,770.48
  4. Step 4: Simplify right side
    83,140.24x = 4,836,698,022.60
  5. Step 5: Solve for x
    x = 4,836,698,022.60/83,140.24
  6. Step 6: Final answer
    x = 58,175.18

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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.