Home / 71,557.12-98,714.52-50,348.08

Finding the Fourth Proportional to 71,557.12, 98,714.52 and 50,348.08

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Solution

The fourth proportional to 71,557.12, 98,714.52 and 50,348.08 is: 69,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.12 : 98,714.52 = 50,348.08 : x
  2. Step 2: Convert to fraction form
    71,557.12/98,714.52 = 50,348.08/x
  3. Step 3: Cross multiply
    71,557.12x = 98,714.52 × 50,348.08
  4. Step 4: Simplify right side
    71,557.12x = 4,970,086,550.12
  5. Step 5: Solve for x
    x = 4,970,086,550.12/71,557.12
  6. Step 6: Final answer
    x = 69,456.21

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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.