Home / 73,999.22-102,116.85-40,464.50

Finding the Fourth Proportional to 73,999.22, 102,116.85 and 40,464.50

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Solution

The fourth proportional to 73,999.22, 102,116.85 and 40,464.50 is: 55,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.22 : 102,116.85 = 40,464.50 : x
  2. Step 2: Convert to fraction form
    73,999.22/102,116.85 = 40,464.50/x
  3. Step 3: Cross multiply
    73,999.22x = 102,116.85 × 40,464.50
  4. Step 4: Simplify right side
    73,999.22x = 4,132,107,276.83
  5. Step 5: Solve for x
    x = 4,132,107,276.83/73,999.22
  6. Step 6: Final answer
    x = 55,839.88

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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.