Home / 83,140.71-124,710.15-23,974.46

Finding the Fourth Proportional to 83,140.71, 124,710.15 and 23,974.46

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Solution

The fourth proportional to 83,140.71, 124,710.15 and 23,974.46 is: 35,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140.71 : 124,710.15 = 23,974.46 : x
  2. Step 2: Convert to fraction form
    83,140.71/124,710.15 = 23,974.46/x
  3. Step 3: Cross multiply
    83,140.71x = 124,710.15 × 23,974.46
  4. Step 4: Simplify right side
    83,140.71x = 2,989,859,138.28
  5. Step 5: Solve for x
    x = 2,989,859,138.28/83,140.71
  6. Step 6: Final answer
    x = 35,961.43

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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.