Home / 80,996.23-111,774.45-45,186.27

Finding the Fourth Proportional to 80,996.23, 111,774.45 and 45,186.27

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Solution

The fourth proportional to 80,996.23, 111,774.45 and 45,186.27 is: 62,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,996.23 : 111,774.45 = 45,186.27 : x
  2. Step 2: Convert to fraction form
    80,996.23/111,774.45 = 45,186.27/x
  3. Step 3: Cross multiply
    80,996.23x = 111,774.45 × 45,186.27
  4. Step 4: Simplify right side
    80,996.23x = 5,050,670,476.80
  5. Step 5: Solve for x
    x = 5,050,670,476.80/80,996.23
  6. Step 6: Final answer
    x = 62,356.86

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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.