Home / 80,833.14-111,532.14-49,009.86

Finding the Fourth Proportional to 80,833.14, 111,532.14 and 49,009.86

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Solution

The fourth proportional to 80,833.14, 111,532.14 and 49,009.86 is: 67,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,833.14 : 111,532.14 = 49,009.86 : x
  2. Step 2: Convert to fraction form
    80,833.14/111,532.14 = 49,009.86/x
  3. Step 3: Cross multiply
    80,833.14x = 111,532.14 × 49,009.86
  4. Step 4: Simplify right side
    80,833.14x = 5,466,174,566.90
  5. Step 5: Solve for x
    x = 5,466,174,566.90/80,833.14
  6. Step 6: Final answer
    x = 67,622.94

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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.