Home / 75,711.40-113,568.92-36,225.11

Finding the Fourth Proportional to 75,711.40, 113,568.92 and 36,225.11

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Solution

The fourth proportional to 75,711.40, 113,568.92 and 36,225.11 is: 54,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,711.40 : 113,568.92 = 36,225.11 : x
  2. Step 2: Convert to fraction form
    75,711.40/113,568.92 = 36,225.11/x
  3. Step 3: Cross multiply
    75,711.40x = 113,568.92 × 36,225.11
  4. Step 4: Simplify right side
    75,711.40x = 4,114,046,619.58
  5. Step 5: Solve for x
    x = 4,114,046,619.58/75,711.40
  6. Step 6: Final answer
    x = 54,338.54

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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.