Home / 106,789.29-160,222.32-49,913.85

Finding the Fourth Proportional to 106,789.29, 160,222.32 and 49,913.85

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Solution

The fourth proportional to 106,789.29, 160,222.32 and 49,913.85 is: 74,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,789.29 : 160,222.32 = 49,913.85 : x
  2. Step 2: Convert to fraction form
    106,789.29/160,222.32 = 49,913.85/x
  3. Step 3: Cross multiply
    106,789.29x = 160,222.32 × 49,913.85
  4. Step 4: Simplify right side
    106,789.29x = 7,997,312,847.13
  5. Step 5: Solve for x
    x = 7,997,312,847.13/106,789.29
  6. Step 6: Final answer
    x = 74,888.72

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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.