Home / 83,679.23-125,538.59-27,519.50

Finding the Fourth Proportional to 83,679.23, 125,538.59 and 27,519.50

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Solution

The fourth proportional to 83,679.23, 125,538.59 and 27,519.50 is: 41,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,679.23 : 125,538.59 = 27,519.50 : x
  2. Step 2: Convert to fraction form
    83,679.23/125,538.59 = 27,519.50/x
  3. Step 3: Cross multiply
    83,679.23x = 125,538.59 × 27,519.50
  4. Step 4: Simplify right side
    83,679.23x = 3,454,759,610.15
  5. Step 5: Solve for x
    x = 3,454,759,610.15/83,679.23
  6. Step 6: Final answer
    x = 41,285.75

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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.