Home / 75,122.43-112,687.29-61,950.75

Finding the Fourth Proportional to 75,122.43, 112,687.29 and 61,950.75

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Solution

The fourth proportional to 75,122.43, 112,687.29 and 61,950.75 is: 92,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.43 : 112,687.29 = 61,950.75 : x
  2. Step 2: Convert to fraction form
    75,122.43/112,687.29 = 61,950.75/x
  3. Step 3: Cross multiply
    75,122.43x = 112,687.29 × 61,950.75
  4. Step 4: Simplify right side
    75,122.43x = 6,981,062,130.97
  5. Step 5: Solve for x
    x = 6,981,062,130.97/75,122.43
  6. Step 6: Final answer
    x = 92,929.13

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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.