Home / 83,140.20-124,711.02-23,976

Finding the Fourth Proportional to 83,140.20, 124,711.02 and 23,976

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Solution

The fourth proportional to 83,140.20, 124,711.02 and 23,976 is: 35,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,140.20 : 124,711.02 = 23,976 : x
  2. Step 2: Convert to fraction form
    83,140.20/124,711.02 = 23,976/x
  3. Step 3: Cross multiply
    83,140.20x = 124,711.02 × 23,976
  4. Step 4: Simplify right side
    83,140.20x = 2,990,071,415.52
  5. Step 5: Solve for x
    x = 2,990,071,415.52/83,140.20
  6. Step 6: Final answer
    x = 35,964.21

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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.