Home / 77,943.60-107,560.71-43,951.55

Finding the Fourth Proportional to 77,943.60, 107,560.71 and 43,951.55

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Solution

The fourth proportional to 77,943.60, 107,560.71 and 43,951.55 is: 60,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,943.60 : 107,560.71 = 43,951.55 : x
  2. Step 2: Convert to fraction form
    77,943.60/107,560.71 = 43,951.55/x
  3. Step 3: Cross multiply
    77,943.60x = 107,560.71 × 43,951.55
  4. Step 4: Simplify right side
    77,943.60x = 4,727,459,385.80
  5. Step 5: Solve for x
    x = 4,727,459,385.80/77,943.60
  6. Step 6: Final answer
    x = 60,652.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.