Home / 83,943.32-125,915.32-34,024.36

Finding the Fourth Proportional to 83,943.32, 125,915.32 and 34,024.36

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Solution

The fourth proportional to 83,943.32, 125,915.32 and 34,024.36 is: 51,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,943.32 : 125,915.32 = 34,024.36 : x
  2. Step 2: Convert to fraction form
    83,943.32/125,915.32 = 34,024.36/x
  3. Step 3: Cross multiply
    83,943.32x = 125,915.32 × 34,024.36
  4. Step 4: Simplify right side
    83,943.32x = 4,284,188,177.20
  5. Step 5: Solve for x
    x = 4,284,188,177.20/83,943.32
  6. Step 6: Final answer
    x = 51,036.68

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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.