Home / 88,246.73-121,780.49-47,960.59

Finding the Fourth Proportional to 88,246.73, 121,780.49 and 47,960.59

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Solution

The fourth proportional to 88,246.73, 121,780.49 and 47,960.59 is: 66,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.73 : 121,780.49 = 47,960.59 : x
  2. Step 2: Convert to fraction form
    88,246.73/121,780.49 = 47,960.59/x
  3. Step 3: Cross multiply
    88,246.73x = 121,780.49 × 47,960.59
  4. Step 4: Simplify right side
    88,246.73x = 5,840,664,077.85
  5. Step 5: Solve for x
    x = 5,840,664,077.85/88,246.73
  6. Step 6: Final answer
    x = 66,185.61

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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.