Home / 77,327.12-106,708.20-43,793.12

Finding the Fourth Proportional to 77,327.12, 106,708.20 and 43,793.12

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Solution

The fourth proportional to 77,327.12, 106,708.20 and 43,793.12 is: 60,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.12 : 106,708.20 = 43,793.12 : x
  2. Step 2: Convert to fraction form
    77,327.12/106,708.20 = 43,793.12/x
  3. Step 3: Cross multiply
    77,327.12x = 106,708.20 × 43,793.12
  4. Step 4: Simplify right side
    77,327.12x = 4,673,085,007.58
  5. Step 5: Solve for x
    x = 4,673,085,007.58/77,327.12
  6. Step 6: Final answer
    x = 60,432.68

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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.