Home / 75,559.28-113,339.12-36,107.42

Finding the Fourth Proportional to 75,559.28, 113,339.12 and 36,107.42

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Solution

The fourth proportional to 75,559.28, 113,339.12 and 36,107.42 is: 54,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,559.28 : 113,339.12 = 36,107.42 : x
  2. Step 2: Convert to fraction form
    75,559.28/113,339.12 = 36,107.42/x
  3. Step 3: Cross multiply
    75,559.28x = 113,339.12 × 36,107.42
  4. Step 4: Simplify right side
    75,559.28x = 4,092,382,461.04
  5. Step 5: Solve for x
    x = 4,092,382,461.04/75,559.28
  6. Step 6: Final answer
    x = 54,161.22

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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.