Home / 88,450.60-121,854.18-61,546.90

Finding the Fourth Proportional to 88,450.60, 121,854.18 and 61,546.90

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Solution

The fourth proportional to 88,450.60, 121,854.18 and 61,546.90 is: 84,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,450.60 : 121,854.18 = 61,546.90 : x
  2. Step 2: Convert to fraction form
    88,450.60/121,854.18 = 61,546.90/x
  3. Step 3: Cross multiply
    88,450.60x = 121,854.18 × 61,546.90
  4. Step 4: Simplify right side
    88,450.60x = 7,499,747,031.04
  5. Step 5: Solve for x
    x = 7,499,747,031.04/88,450.60
  6. Step 6: Final answer
    x = 84,790.23

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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.