Home / 75,796.60-113,646.28-31,453.96

Finding the Fourth Proportional to 75,796.60, 113,646.28 and 31,453.96

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Solution

The fourth proportional to 75,796.60, 113,646.28 and 31,453.96 is: 47,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,796.60 : 113,646.28 = 31,453.96 : x
  2. Step 2: Convert to fraction form
    75,796.60/113,646.28 = 31,453.96/x
  3. Step 3: Cross multiply
    75,796.60x = 113,646.28 × 31,453.96
  4. Step 4: Simplify right side
    75,796.60x = 3,574,625,545.27
  5. Step 5: Solve for x
    x = 3,574,625,545.27/75,796.60
  6. Step 6: Final answer
    x = 47,160.76

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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.