Home / 88,310.30-121,895.61-54,329.18

Finding the Fourth Proportional to 88,310.30, 121,895.61 and 54,329.18

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Solution

The fourth proportional to 88,310.30, 121,895.61 and 54,329.18 is: 74,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,310.30 : 121,895.61 = 54,329.18 : x
  2. Step 2: Convert to fraction form
    88,310.30/121,895.61 = 54,329.18/x
  3. Step 3: Cross multiply
    88,310.30x = 121,895.61 × 54,329.18
  4. Step 4: Simplify right side
    88,310.30x = 6,622,488,536.90
  5. Step 5: Solve for x
    x = 6,622,488,536.90/88,310.30
  6. Step 6: Final answer
    x = 74,991.12

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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.