Home / 82,930.31-124,395.60-25,228.06

Finding the Fourth Proportional to 82,930.31, 124,395.60 and 25,228.06

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Solution

The fourth proportional to 82,930.31, 124,395.60 and 25,228.06 is: 37,842.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930.31 : 124,395.60 = 25,228.06 : x
  2. Step 2: Convert to fraction form
    82,930.31/124,395.60 = 25,228.06/x
  3. Step 3: Cross multiply
    82,930.31x = 124,395.60 × 25,228.06
  4. Step 4: Simplify right side
    82,930.31x = 3,138,260,001.97
  5. Step 5: Solve for x
    x = 3,138,260,001.97/82,930.31
  6. Step 6: Final answer
    x = 37,842.13

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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.