Home / 106,049.29-146,348.85-57,651.20

Finding the Fourth Proportional to 106,049.29, 146,348.85 and 57,651.20

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Solution

The fourth proportional to 106,049.29, 146,348.85 and 57,651.20 is: 79,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,049.29 : 146,348.85 = 57,651.20 : x
  2. Step 2: Convert to fraction form
    106,049.29/146,348.85 = 57,651.20/x
  3. Step 3: Cross multiply
    106,049.29x = 146,348.85 × 57,651.20
  4. Step 4: Simplify right side
    106,049.29x = 8,437,186,821.12
  5. Step 5: Solve for x
    x = 8,437,186,821.12/106,049.29
  6. Step 6: Final answer
    x = 79,559.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.