Home / 78,113.43-117,076.19-44,854.83

Finding the Fourth Proportional to 78,113.43, 117,076.19 and 44,854.83

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Solution

The fourth proportional to 78,113.43, 117,076.19 and 44,854.83 is: 67,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,113.43 : 117,076.19 = 44,854.83 : x
  2. Step 2: Convert to fraction form
    78,113.43/117,076.19 = 44,854.83/x
  3. Step 3: Cross multiply
    78,113.43x = 117,076.19 × 44,854.83
  4. Step 4: Simplify right side
    78,113.43x = 5,251,432,375.22
  5. Step 5: Solve for x
    x = 5,251,432,375.22/78,113.43
  6. Step 6: Final answer
    x = 67,228.29

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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.