Home / 75,822.55-113,748.41-29,071.78

Finding the Fourth Proportional to 75,822.55, 113,748.41 and 29,071.78

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Solution

The fourth proportional to 75,822.55, 113,748.41 and 29,071.78 is: 43,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,822.55 : 113,748.41 = 29,071.78 : x
  2. Step 2: Convert to fraction form
    75,822.55/113,748.41 = 29,071.78/x
  3. Step 3: Cross multiply
    75,822.55x = 113,748.41 × 29,071.78
  4. Step 4: Simplify right side
    75,822.55x = 3,306,868,856.72
  5. Step 5: Solve for x
    x = 3,306,868,856.72/75,822.55
  6. Step 6: Final answer
    x = 43,613.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.