Home / 83,947.46-125,837.04-39,000.40

Finding the Fourth Proportional to 83,947.46, 125,837.04 and 39,000.40

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Solution

The fourth proportional to 83,947.46, 125,837.04 and 39,000.40 is: 58,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.46 : 125,837.04 = 39,000.40 : x
  2. Step 2: Convert to fraction form
    83,947.46/125,837.04 = 39,000.40/x
  3. Step 3: Cross multiply
    83,947.46x = 125,837.04 × 39,000.40
  4. Step 4: Simplify right side
    83,947.46x = 4,907,694,726.47
  5. Step 5: Solve for x
    x = 4,907,694,726.47/83,947.46
  6. Step 6: Final answer
    x = 58,461.51

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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.