Home / 79,376.46-109,544.55-52,471.77

Finding the Fourth Proportional to 79,376.46, 109,544.55 and 52,471.77

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Solution

The fourth proportional to 79,376.46, 109,544.55 and 52,471.77 is: 72,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,376.46 : 109,544.55 = 52,471.77 : x
  2. Step 2: Convert to fraction form
    79,376.46/109,544.55 = 52,471.77/x
  3. Step 3: Cross multiply
    79,376.46x = 109,544.55 × 52,471.77
  4. Step 4: Simplify right side
    79,376.46x = 5,747,996,432.35
  5. Step 5: Solve for x
    x = 5,747,996,432.35/79,376.46
  6. Step 6: Final answer
    x = 72,414.37

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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.