Home / 80,534.32-111,144.40-44,731.32

Finding the Fourth Proportional to 80,534.32, 111,144.40 and 44,731.32

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Solution

The fourth proportional to 80,534.32, 111,144.40 and 44,731.32 is: 61,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,534.32 : 111,144.40 = 44,731.32 : x
  2. Step 2: Convert to fraction form
    80,534.32/111,144.40 = 44,731.32/x
  3. Step 3: Cross multiply
    80,534.32x = 111,144.40 × 44,731.32
  4. Step 4: Simplify right side
    80,534.32x = 4,971,635,722.61
  5. Step 5: Solve for x
    x = 4,971,635,722.61/80,534.32
  6. Step 6: Final answer
    x = 61,733.13

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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.