Home / 77,746.24-107,288.50-43,754.73

Finding the Fourth Proportional to 77,746.24, 107,288.50 and 43,754.73

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Solution

The fourth proportional to 77,746.24, 107,288.50 and 43,754.73 is: 60,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746.24 : 107,288.50 = 43,754.73 : x
  2. Step 2: Convert to fraction form
    77,746.24/107,288.50 = 43,754.73/x
  3. Step 3: Cross multiply
    77,746.24x = 107,288.50 × 43,754.73
  4. Step 4: Simplify right side
    77,746.24x = 4,694,379,349.61
  5. Step 5: Solve for x
    x = 4,694,379,349.61/77,746.24
  6. Step 6: Final answer
    x = 60,380.79

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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.