Home / 112,748.56-155,538.60-74,523.04

Finding the Fourth Proportional to 112,748.56, 155,538.60 and 74,523.04

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Solution

The fourth proportional to 112,748.56, 155,538.60 and 74,523.04 is: 102,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.56 : 155,538.60 = 74,523.04 : x
  2. Step 2: Convert to fraction form
    112,748.56/155,538.60 = 74,523.04/x
  3. Step 3: Cross multiply
    112,748.56x = 155,538.60 × 74,523.04
  4. Step 4: Simplify right side
    112,748.56x = 11,591,209,309.34
  5. Step 5: Solve for x
    x = 11,591,209,309.34/112,748.56
  6. Step 6: Final answer
    x = 102,805.83

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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.