Home / 80,874.32-111,605.05-45,063.56

Finding the Fourth Proportional to 80,874.32, 111,605.05 and 45,063.56

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Solution

The fourth proportional to 80,874.32, 111,605.05 and 45,063.56 is: 62,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874.32 : 111,605.05 = 45,063.56 : x
  2. Step 2: Convert to fraction form
    80,874.32/111,605.05 = 45,063.56/x
  3. Step 3: Cross multiply
    80,874.32x = 111,605.05 × 45,063.56
  4. Step 4: Simplify right side
    80,874.32x = 5,029,320,196.29
  5. Step 5: Solve for x
    x = 5,029,320,196.29/80,874.32
  6. Step 6: Final answer
    x = 62,186.87

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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.