Home / 112,372.31-155,073.79-62,071.31

Finding the Fourth Proportional to 112,372.31, 155,073.79 and 62,071.31

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Solution

The fourth proportional to 112,372.31, 155,073.79 and 62,071.31 is: 85,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,372.31 : 155,073.79 = 62,071.31 : x
  2. Step 2: Convert to fraction form
    112,372.31/155,073.79 = 62,071.31/x
  3. Step 3: Cross multiply
    112,372.31x = 155,073.79 × 62,071.31
  4. Step 4: Simplify right side
    112,372.31x = 9,625,633,757.24
  5. Step 5: Solve for x
    x = 9,625,633,757.24/112,372.31
  6. Step 6: Final answer
    x = 85,658.41

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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.