Home / 112,843.13-155,723.51-62,542.13

Finding the Fourth Proportional to 112,843.13, 155,723.51 and 62,542.13

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Solution

The fourth proportional to 112,843.13, 155,723.51 and 62,542.13 is: 86,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,843.13 : 155,723.51 = 62,542.13 : x
  2. Step 2: Convert to fraction form
    112,843.13/155,723.51 = 62,542.13/x
  3. Step 3: Cross multiply
    112,843.13x = 155,723.51 × 62,542.13
  4. Step 4: Simplify right side
    112,843.13x = 9,739,279,384.21
  5. Step 5: Solve for x
    x = 9,739,279,384.21/112,843.13
  6. Step 6: Final answer
    x = 86,308.13

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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.