Home / 74,943.34-112,382.04-39,874.66

Finding the Fourth Proportional to 74,943.34, 112,382.04 and 39,874.66

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Solution

The fourth proportional to 74,943.34, 112,382.04 and 39,874.66 is: 59,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.34 : 112,382.04 = 39,874.66 : x
  2. Step 2: Convert to fraction form
    74,943.34/112,382.04 = 39,874.66/x
  3. Step 3: Cross multiply
    74,943.34x = 112,382.04 × 39,874.66
  4. Step 4: Simplify right side
    74,943.34x = 4,481,195,635.11
  5. Step 5: Solve for x
    x = 4,481,195,635.11/74,943.34
  6. Step 6: Final answer
    x = 59,794.45

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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.