Home / 75,826.56-113,691.18-31,483.92

Finding the Fourth Proportional to 75,826.56, 113,691.18 and 31,483.92

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Solution

The fourth proportional to 75,826.56, 113,691.18 and 31,483.92 is: 47,205.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,826.56 : 113,691.18 = 31,483.92 : x
  2. Step 2: Convert to fraction form
    75,826.56/113,691.18 = 31,483.92/x
  3. Step 3: Cross multiply
    75,826.56x = 113,691.18 × 31,483.92
  4. Step 4: Simplify right side
    75,826.56x = 3,579,443,858.41
  5. Step 5: Solve for x
    x = 3,579,443,858.41/75,826.56
  6. Step 6: Final answer
    x = 47,205.67

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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.