Home / 60,718.10-91,077.15-43,999.70

Finding the Fourth Proportional to 60,718.10, 91,077.15 and 43,999.70

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Solution

The fourth proportional to 60,718.10, 91,077.15 and 43,999.70 is: 65,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.10 : 91,077.15 = 43,999.70 : x
  2. Step 2: Convert to fraction form
    60,718.10/91,077.15 = 43,999.70/x
  3. Step 3: Cross multiply
    60,718.10x = 91,077.15 × 43,999.70
  4. Step 4: Simplify right side
    60,718.10x = 4,007,367,276.86
  5. Step 5: Solve for x
    x = 4,007,367,276.86/60,718.10
  6. Step 6: Final answer
    x = 65,999.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.