Home / 105,916.16-146,163.52-57,519.04

Finding the Fourth Proportional to 105,916.16, 146,163.52 and 57,519.04

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Solution

The fourth proportional to 105,916.16, 146,163.52 and 57,519.04 is: 79,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.16 : 146,163.52 = 57,519.04 : x
  2. Step 2: Convert to fraction form
    105,916.16/146,163.52 = 57,519.04/x
  3. Step 3: Cross multiply
    105,916.16x = 146,163.52 × 57,519.04
  4. Step 4: Simplify right side
    105,916.16x = 8,407,185,353.42
  5. Step 5: Solve for x
    x = 8,407,185,353.42/105,916.16
  6. Step 6: Final answer
    x = 79,375.85

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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.