Home / 74,147.30-102,320.91-43,932.81

Finding the Fourth Proportional to 74,147.30, 102,320.91 and 43,932.81

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Solution

The fourth proportional to 74,147.30, 102,320.91 and 43,932.81 is: 60,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.30 : 102,320.91 = 43,932.81 : x
  2. Step 2: Convert to fraction form
    74,147.30/102,320.91 = 43,932.81/x
  3. Step 3: Cross multiply
    74,147.30x = 102,320.91 × 43,932.81
  4. Step 4: Simplify right side
    74,147.30x = 4,495,245,098.06
  5. Step 5: Solve for x
    x = 4,495,245,098.06/74,147.30
  6. Step 6: Final answer
    x = 60,625.88

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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.