Home / 112,930.36-155,839.98-62,634.04

Finding the Fourth Proportional to 112,930.36, 155,839.98 and 62,634.04

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Solution

The fourth proportional to 112,930.36, 155,839.98 and 62,634.04 is: 86,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930.36 : 155,839.98 = 62,634.04 : x
  2. Step 2: Convert to fraction form
    112,930.36/155,839.98 = 62,634.04/x
  3. Step 3: Cross multiply
    112,930.36x = 155,839.98 × 62,634.04
  4. Step 4: Simplify right side
    112,930.36x = 9,760,887,540.92
  5. Step 5: Solve for x
    x = 9,760,887,540.92/112,930.36
  6. Step 6: Final answer
    x = 86,432.80

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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.