Home / 75,672.31-113,228.22-47,366.86

Finding the Fourth Proportional to 75,672.31, 113,228.22 and 47,366.86

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Solution

The fourth proportional to 75,672.31, 113,228.22 and 47,366.86 is: 70,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672.31 : 113,228.22 = 47,366.86 : x
  2. Step 2: Convert to fraction form
    75,672.31/113,228.22 = 47,366.86/x
  3. Step 3: Cross multiply
    75,672.31x = 113,228.22 × 47,366.86
  4. Step 4: Simplify right side
    75,672.31x = 5,363,265,244.79
  5. Step 5: Solve for x
    x = 5,363,265,244.79/75,672.31
  6. Step 6: Final answer
    x = 70,874.87

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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.