Home / 88,169.28-121,673.18-47,882.72

Finding the Fourth Proportional to 88,169.28, 121,673.18 and 47,882.72

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Solution

The fourth proportional to 88,169.28, 121,673.18 and 47,882.72 is: 66,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.28 : 121,673.18 = 47,882.72 : x
  2. Step 2: Convert to fraction form
    88,169.28/121,673.18 = 47,882.72/x
  3. Step 3: Cross multiply
    88,169.28x = 121,673.18 × 47,882.72
  4. Step 4: Simplify right side
    88,169.28x = 5,826,042,809.45
  5. Step 5: Solve for x
    x = 5,826,042,809.45/88,169.28
  6. Step 6: Final answer
    x = 66,077.92

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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.