Home / 88,264.80-121,874.13-54,289.04

Finding the Fourth Proportional to 88,264.80, 121,874.13 and 54,289.04

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Solution

The fourth proportional to 88,264.80, 121,874.13 and 54,289.04 is: 74,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,264.80 : 121,874.13 = 54,289.04 : x
  2. Step 2: Convert to fraction form
    88,264.80/121,874.13 = 54,289.04/x
  3. Step 3: Cross multiply
    88,264.80x = 121,874.13 × 54,289.04
  4. Step 4: Simplify right side
    88,264.80x = 6,616,428,909.16
  5. Step 5: Solve for x
    x = 6,616,428,909.16/88,264.80
  6. Step 6: Final answer
    x = 74,961.13

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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.