Home / 88,640.02-122,350.52-54,659.17

Finding the Fourth Proportional to 88,640.02, 122,350.52 and 54,659.17

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Solution

The fourth proportional to 88,640.02, 122,350.52 and 54,659.17 is: 75,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,640.02 : 122,350.52 = 54,659.17 : x
  2. Step 2: Convert to fraction form
    88,640.02/122,350.52 = 54,659.17/x
  3. Step 3: Cross multiply
    88,640.02x = 122,350.52 × 54,659.17
  4. Step 4: Simplify right side
    88,640.02x = 6,687,577,872.27
  5. Step 5: Solve for x
    x = 6,687,577,872.27/88,640.02
  6. Step 6: Final answer
    x = 75,446.48

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1.5x scale

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.