Home / 88,246.87-121,781.48-47,960.73

Finding the Fourth Proportional to 88,246.87, 121,781.48 and 47,960.73

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Solution

The fourth proportional to 88,246.87, 121,781.48 and 47,960.73 is: 66,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,246.87 : 121,781.48 = 47,960.73 : x
  2. Step 2: Convert to fraction form
    88,246.87/121,781.48 = 47,960.73/x
  3. Step 3: Cross multiply
    88,246.87x = 121,781.48 × 47,960.73
  4. Step 4: Simplify right side
    88,246.87x = 5,840,728,441.48
  5. Step 5: Solve for x
    x = 5,840,728,441.48/88,246.87
  6. Step 6: Final answer
    x = 66,186.24

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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.