Home / 75,198.12-112,852.31-60,583.49

Finding the Fourth Proportional to 75,198.12, 112,852.31 and 60,583.49

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Solution

The fourth proportional to 75,198.12, 112,852.31 and 60,583.49 is: 90,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198.12 : 112,852.31 = 60,583.49 : x
  2. Step 2: Convert to fraction form
    75,198.12/112,852.31 = 60,583.49/x
  3. Step 3: Cross multiply
    75,198.12x = 112,852.31 × 60,583.49
  4. Step 4: Simplify right side
    75,198.12x = 6,836,986,642.90
  5. Step 5: Solve for x
    x = 6,836,986,642.90/75,198.12
  6. Step 6: Final answer
    x = 90,919.65

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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.