Home / 69,944.60-96,520.51-39,729.82

Finding the Fourth Proportional to 69,944.60, 96,520.51 and 39,729.82

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Solution

The fourth proportional to 69,944.60, 96,520.51 and 39,729.82 is: 54,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,944.60 : 96,520.51 = 39,729.82 : x
  2. Step 2: Convert to fraction form
    69,944.60/96,520.51 = 39,729.82/x
  3. Step 3: Cross multiply
    69,944.60x = 96,520.51 × 39,729.82
  4. Step 4: Simplify right side
    69,944.60x = 3,834,742,488.61
  5. Step 5: Solve for x
    x = 3,834,742,488.61/69,944.60
  6. Step 6: Final answer
    x = 54,825.43

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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.