Home / 78,520.32-108,362.88-44,997.12

Finding the Fourth Proportional to 78,520.32, 108,362.88 and 44,997.12

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Solution

The fourth proportional to 78,520.32, 108,362.88 and 44,997.12 is: 62,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,520.32 : 108,362.88 = 44,997.12 : x
  2. Step 2: Convert to fraction form
    78,520.32/108,362.88 = 44,997.12/x
  3. Step 3: Cross multiply
    78,520.32x = 108,362.88 × 44,997.12
  4. Step 4: Simplify right side
    78,520.32x = 4,876,017,514.91
  5. Step 5: Solve for x
    x = 4,876,017,514.91/78,520.32
  6. Step 6: Final answer
    x = 62,098.80

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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.