Home / 88,308.32-121,868.68-50,589.86

Finding the Fourth Proportional to 88,308.32, 121,868.68 and 50,589.86

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Solution

The fourth proportional to 88,308.32, 121,868.68 and 50,589.86 is: 69,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.32 : 121,868.68 = 50,589.86 : x
  2. Step 2: Convert to fraction form
    88,308.32/121,868.68 = 50,589.86/x
  3. Step 3: Cross multiply
    88,308.32x = 121,868.68 × 50,589.86
  4. Step 4: Simplify right side
    88,308.32x = 6,165,318,723.77
  5. Step 5: Solve for x
    x = 6,165,318,723.77/88,308.32
  6. Step 6: Final answer
    x = 69,815.83

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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.