Home / 83,778.47-125,641.04-27,608.10

Finding the Fourth Proportional to 83,778.47, 125,641.04 and 27,608.10

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Solution

The fourth proportional to 83,778.47, 125,641.04 and 27,608.10 is: 41,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778.47 : 125,641.04 = 27,608.10 : x
  2. Step 2: Convert to fraction form
    83,778.47/125,641.04 = 27,608.10/x
  3. Step 3: Cross multiply
    83,778.47x = 125,641.04 × 27,608.10
  4. Step 4: Simplify right side
    83,778.47x = 3,468,710,396.42
  5. Step 5: Solve for x
    x = 3,468,710,396.42/83,778.47
  6. Step 6: Final answer
    x = 41,403.36

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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.