Home / 80,895.85-121,248.46-36,470.59

Finding the Fourth Proportional to 80,895.85, 121,248.46 and 36,470.59

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Solution

The fourth proportional to 80,895.85, 121,248.46 and 36,470.59 is: 54,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,895.85 : 121,248.46 = 36,470.59 : x
  2. Step 2: Convert to fraction form
    80,895.85/121,248.46 = 36,470.59/x
  3. Step 3: Cross multiply
    80,895.85x = 121,248.46 × 36,470.59
  4. Step 4: Simplify right side
    80,895.85x = 4,422,002,615.26
  5. Step 5: Solve for x
    x = 4,422,002,615.26/80,895.85
  6. Step 6: Final answer
    x = 54,662.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.