Home / 96,695.25-145,042.67-54,556.20

Finding the Fourth Proportional to 96,695.25, 145,042.67 and 54,556.20

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Solution

The fourth proportional to 96,695.25, 145,042.67 and 54,556.20 is: 81,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,695.25 : 145,042.67 = 54,556.20 : x
  2. Step 2: Convert to fraction form
    96,695.25/145,042.67 = 54,556.20/x
  3. Step 3: Cross multiply
    96,695.25x = 145,042.67 × 54,556.20
  4. Step 4: Simplify right side
    96,695.25x = 7,912,976,742.57
  5. Step 5: Solve for x
    x = 7,912,976,742.57/96,695.25
  6. Step 6: Final answer
    x = 81,834.18

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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.