Home / 63,376.62-87,380.28-40,675.56

Finding the Fourth Proportional to 63,376.62, 87,380.28 and 40,675.56

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Solution

The fourth proportional to 63,376.62, 87,380.28 and 40,675.56 is: 56,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,376.62 : 87,380.28 = 40,675.56 : x
  2. Step 2: Convert to fraction form
    63,376.62/87,380.28 = 40,675.56/x
  3. Step 3: Cross multiply
    63,376.62x = 87,380.28 × 40,675.56
  4. Step 4: Simplify right side
    63,376.62x = 3,554,241,821.96
  5. Step 5: Solve for x
    x = 3,554,241,821.96/63,376.62
  6. Step 6: Final answer
    x = 56,081.28

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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.