Home / 74,097.43-111,120.23-31,966.09

Finding the Fourth Proportional to 74,097.43, 111,120.23 and 31,966.09

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Solution

The fourth proportional to 74,097.43, 111,120.23 and 31,966.09 is: 47,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.43 : 111,120.23 = 31,966.09 : x
  2. Step 2: Convert to fraction form
    74,097.43/111,120.23 = 31,966.09/x
  3. Step 3: Cross multiply
    74,097.43x = 111,120.23 × 31,966.09
  4. Step 4: Simplify right side
    74,097.43x = 3,552,079,113.17
  5. Step 5: Solve for x
    x = 3,552,079,113.17/74,097.43
  6. Step 6: Final answer
    x = 47,937.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.