Home / 82,098.48-123,164.40-25,947.36

Finding the Fourth Proportional to 82,098.48, 123,164.40 and 25,947.36

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Solution

The fourth proportional to 82,098.48, 123,164.40 and 25,947.36 is: 38,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,098.48 : 123,164.40 = 25,947.36 : x
  2. Step 2: Convert to fraction form
    82,098.48/123,164.40 = 25,947.36/x
  3. Step 3: Cross multiply
    82,098.48x = 123,164.40 × 25,947.36
  4. Step 4: Simplify right side
    82,098.48x = 3,195,791,025.98
  5. Step 5: Solve for x
    x = 3,195,791,025.98/82,098.48
  6. Step 6: Final answer
    x = 38,926.31

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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.