Home / 88,016.12-121,462.31-47,729.87

Finding the Fourth Proportional to 88,016.12, 121,462.31 and 47,729.87

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Solution

The fourth proportional to 88,016.12, 121,462.31 and 47,729.87 is: 65,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.12 : 121,462.31 = 47,729.87 : x
  2. Step 2: Convert to fraction form
    88,016.12/121,462.31 = 47,729.87/x
  3. Step 3: Cross multiply
    88,016.12x = 121,462.31 × 47,729.87
  4. Step 4: Simplify right side
    88,016.12x = 5,797,380,358.37
  5. Step 5: Solve for x
    x = 5,797,380,358.37/88,016.12
  6. Step 6: Final answer
    x = 65,867.26

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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.