Home / 63,231.06-87,276.24-39,343.50

Finding the Fourth Proportional to 63,231.06, 87,276.24 and 39,343.50

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Solution

The fourth proportional to 63,231.06, 87,276.24 and 39,343.50 is: 54,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.06 : 87,276.24 = 39,343.50 : x
  2. Step 2: Convert to fraction form
    63,231.06/87,276.24 = 39,343.50/x
  3. Step 3: Cross multiply
    63,231.06x = 87,276.24 × 39,343.50
  4. Step 4: Simplify right side
    63,231.06x = 3,433,752,748.44
  5. Step 5: Solve for x
    x = 3,433,752,748.44/63,231.06
  6. Step 6: Final answer
    x = 54,304.84

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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.