Home / 82,679.52-124,017.45-26,517.36

Finding the Fourth Proportional to 82,679.52, 124,017.45 and 26,517.36

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Solution

The fourth proportional to 82,679.52, 124,017.45 and 26,517.36 is: 39,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,679.52 : 124,017.45 = 26,517.36 : x
  2. Step 2: Convert to fraction form
    82,679.52/124,017.45 = 26,517.36/x
  3. Step 3: Cross multiply
    82,679.52x = 124,017.45 × 26,517.36
  4. Step 4: Simplify right side
    82,679.52x = 3,288,615,367.93
  5. Step 5: Solve for x
    x = 3,288,615,367.93/82,679.52
  6. Step 6: Final answer
    x = 39,775.45

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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.