Home / 75,332.56-112,912.92-35,309.68

Finding the Fourth Proportional to 75,332.56, 112,912.92 and 35,309.68

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Solution

The fourth proportional to 75,332.56, 112,912.92 and 35,309.68 is: 52,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.56 : 112,912.92 = 35,309.68 : x
  2. Step 2: Convert to fraction form
    75,332.56/112,912.92 = 35,309.68/x
  3. Step 3: Cross multiply
    75,332.56x = 112,912.92 × 35,309.68
  4. Step 4: Simplify right side
    75,332.56x = 3,986,919,073.07
  5. Step 5: Solve for x
    x = 3,986,919,073.07/75,332.56
  6. Step 6: Final answer
    x = 52,924.25

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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.