Home / 83,778.56-125,686.40-27,636.04

Finding the Fourth Proportional to 83,778.56, 125,686.40 and 27,636.04

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Solution

The fourth proportional to 83,778.56, 125,686.40 and 27,636.04 is: 41,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778.56 : 125,686.40 = 27,636.04 : x
  2. Step 2: Convert to fraction form
    83,778.56/125,686.40 = 27,636.04/x
  3. Step 3: Cross multiply
    83,778.56x = 125,686.40 × 27,636.04
  4. Step 4: Simplify right side
    83,778.56x = 3,473,474,377.86
  5. Step 5: Solve for x
    x = 3,473,474,377.86/83,778.56
  6. Step 6: Final answer
    x = 41,460.18

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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.