Home / 81,098.26-111,876.76-50,868.45

Finding the Fourth Proportional to 81,098.26, 111,876.76 and 50,868.45

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Solution

The fourth proportional to 81,098.26, 111,876.76 and 50,868.45 is: 70,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,098.26 : 111,876.76 = 50,868.45 : x
  2. Step 2: Convert to fraction form
    81,098.26/111,876.76 = 50,868.45/x
  3. Step 3: Cross multiply
    81,098.26x = 111,876.76 × 50,868.45
  4. Step 4: Simplify right side
    81,098.26x = 5,690,997,372.22
  5. Step 5: Solve for x
    x = 5,690,997,372.22/81,098.26
  6. Step 6: Final answer
    x = 70,174.10

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1.5x scale

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.