Home / 88,308.38-121,868.76-50,589.92

Finding the Fourth Proportional to 88,308.38, 121,868.76 and 50,589.92

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Solution

The fourth proportional to 88,308.38, 121,868.76 and 50,589.92 is: 69,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.38 : 121,868.76 = 50,589.92 : x
  2. Step 2: Convert to fraction form
    88,308.38/121,868.76 = 50,589.92/x
  3. Step 3: Cross multiply
    88,308.38x = 121,868.76 × 50,589.92
  4. Step 4: Simplify right side
    88,308.38x = 6,165,330,818.90
  5. Step 5: Solve for x
    x = 6,165,330,818.90/88,308.38
  6. Step 6: Final answer
    x = 69,815.92

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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.