Home / 75,332.75-113,175.56-71,077.14

Finding the Fourth Proportional to 75,332.75, 113,175.56 and 71,077.14

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Solution

The fourth proportional to 75,332.75, 113,175.56 and 71,077.14 is: 106,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.75 : 113,175.56 = 71,077.14 : x
  2. Step 2: Convert to fraction form
    75,332.75/113,175.56 = 71,077.14/x
  3. Step 3: Cross multiply
    75,332.75x = 113,175.56 × 71,077.14
  4. Step 4: Simplify right side
    75,332.75x = 8,044,195,300.39
  5. Step 5: Solve for x
    x = 8,044,195,300.39/75,332.75
  6. Step 6: Final answer
    x = 106,782.19

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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.