Home / 112,708.97-155,538.38-62,407.97

Finding the Fourth Proportional to 112,708.97, 155,538.38 and 62,407.97

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Solution

The fourth proportional to 112,708.97, 155,538.38 and 62,407.97 is: 86,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,708.97 : 155,538.38 = 62,407.97 : x
  2. Step 2: Convert to fraction form
    112,708.97/155,538.38 = 62,407.97/x
  3. Step 3: Cross multiply
    112,708.97x = 155,538.38 × 62,407.97
  4. Step 4: Simplify right side
    112,708.97x = 9,706,834,163.44
  5. Step 5: Solve for x
    x = 9,706,834,163.44/112,708.97
  6. Step 6: Final answer
    x = 86,123.00

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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.