Home / 77,722.32-107,254.46-43,732.68

Finding the Fourth Proportional to 77,722.32, 107,254.46 and 43,732.68

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Solution

The fourth proportional to 77,722.32, 107,254.46 and 43,732.68 is: 60,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,722.32 : 107,254.46 = 43,732.68 : x
  2. Step 2: Convert to fraction form
    77,722.32/107,254.46 = 43,732.68/x
  3. Step 3: Cross multiply
    77,722.32x = 107,254.46 × 43,732.68
  4. Step 4: Simplify right side
    77,722.32x = 4,690,524,977.75
  5. Step 5: Solve for x
    x = 4,690,524,977.75/77,722.32
  6. Step 6: Final answer
    x = 60,349.78

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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.