Home / 83,424.14-115,127.18-47,613.44

Finding the Fourth Proportional to 83,424.14, 115,127.18 and 47,613.44

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Solution

The fourth proportional to 83,424.14, 115,127.18 and 47,613.44 is: 65,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.14 : 115,127.18 = 47,613.44 : x
  2. Step 2: Convert to fraction form
    83,424.14/115,127.18 = 47,613.44/x
  3. Step 3: Cross multiply
    83,424.14x = 115,127.18 × 47,613.44
  4. Step 4: Simplify right side
    83,424.14x = 5,481,601,077.30
  5. Step 5: Solve for x
    x = 5,481,601,077.30/83,424.14
  6. Step 6: Final answer
    x = 65,707.61

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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.