Home / 55,042.30-75,976.41-32,380.12

Finding the Fourth Proportional to 55,042.30, 75,976.41 and 32,380.12

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Solution

The fourth proportional to 55,042.30, 75,976.41 and 32,380.12 is: 44,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.30 : 75,976.41 = 32,380.12 : x
  2. Step 2: Convert to fraction form
    55,042.30/75,976.41 = 32,380.12/x
  3. Step 3: Cross multiply
    55,042.30x = 75,976.41 × 32,380.12
  4. Step 4: Simplify right side
    55,042.30x = 2,460,125,272.97
  5. Step 5: Solve for x
    x = 2,460,125,272.97/55,042.30
  6. Step 6: Final answer
    x = 44,695.18

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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.