Home / 83,972.17-125,947.20-27,798.36

Finding the Fourth Proportional to 83,972.17, 125,947.20 and 27,798.36

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Solution

The fourth proportional to 83,972.17, 125,947.20 and 27,798.36 is: 41,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,972.17 : 125,947.20 = 27,798.36 : x
  2. Step 2: Convert to fraction form
    83,972.17/125,947.20 = 27,798.36/x
  3. Step 3: Cross multiply
    83,972.17x = 125,947.20 × 27,798.36
  4. Step 4: Simplify right side
    83,972.17x = 3,501,125,606.59
  5. Step 5: Solve for x
    x = 3,501,125,606.59/83,972.17
  6. Step 6: Final answer
    x = 41,693.88

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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.