Home / 112,488.13-155,236.86-62,190.37

Finding the Fourth Proportional to 112,488.13, 155,236.86 and 62,190.37

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Solution

The fourth proportional to 112,488.13, 155,236.86 and 62,190.37 is: 85,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,488.13 : 155,236.86 = 62,190.37 : x
  2. Step 2: Convert to fraction form
    112,488.13/155,236.86 = 62,190.37/x
  3. Step 3: Cross multiply
    112,488.13x = 155,236.86 × 62,190.37
  4. Step 4: Simplify right side
    112,488.13x = 9,654,236,673.90
  5. Step 5: Solve for x
    x = 9,654,236,673.90/112,488.13
  6. Step 6: Final answer
    x = 85,824.50

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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.