Home / 75,445.29-113,250.96-63,743.76

Finding the Fourth Proportional to 75,445.29, 113,250.96 and 63,743.76

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Solution

The fourth proportional to 75,445.29, 113,250.96 and 63,743.76 is: 95,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.29 : 113,250.96 = 63,743.76 : x
  2. Step 2: Convert to fraction form
    75,445.29/113,250.96 = 63,743.76/x
  3. Step 3: Cross multiply
    75,445.29x = 113,250.96 × 63,743.76
  4. Step 4: Simplify right side
    75,445.29x = 7,219,042,014.01
  5. Step 5: Solve for x
    x = 7,219,042,014.01/75,445.29
  6. Step 6: Final answer
    x = 95,685.79

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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.