Home / 56,729.76-77,958.24-54,127.92

Finding the Fourth Proportional to 56,729.76, 77,958.24 and 54,127.92

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Solution

The fourth proportional to 56,729.76, 77,958.24 and 54,127.92 is: 74,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.76 : 77,958.24 = 54,127.92 : x
  2. Step 2: Convert to fraction form
    56,729.76/77,958.24 = 54,127.92/x
  3. Step 3: Cross multiply
    56,729.76x = 77,958.24 × 54,127.92
  4. Step 4: Simplify right side
    56,729.76x = 4,219,717,378.06
  5. Step 5: Solve for x
    x = 4,219,717,378.06/56,729.76
  6. Step 6: Final answer
    x = 74,382.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.