Home / 75,822.69-113,748.62-29,071.92

Finding the Fourth Proportional to 75,822.69, 113,748.62 and 29,071.92

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Solution

The fourth proportional to 75,822.69, 113,748.62 and 29,071.92 is: 43,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,822.69 : 113,748.62 = 29,071.92 : x
  2. Step 2: Convert to fraction form
    75,822.69/113,748.62 = 29,071.92/x
  3. Step 3: Cross multiply
    75,822.69x = 113,748.62 × 29,071.92
  4. Step 4: Simplify right side
    75,822.69x = 3,306,890,780.75
  5. Step 5: Solve for x
    x = 3,306,890,780.75/75,822.69
  6. Step 6: Final answer
    x = 43,613.47

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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.