Home / 74,988.39-103,510.04-43,169.97

Finding the Fourth Proportional to 74,988.39, 103,510.04 and 43,169.97

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Solution

The fourth proportional to 74,988.39, 103,510.04 and 43,169.97 is: 59,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,988.39 : 103,510.04 = 43,169.97 : x
  2. Step 2: Convert to fraction form
    74,988.39/103,510.04 = 43,169.97/x
  3. Step 3: Cross multiply
    74,988.39x = 103,510.04 × 43,169.97
  4. Step 4: Simplify right side
    74,988.39x = 4,468,525,321.50
  5. Step 5: Solve for x
    x = 4,468,525,321.50/74,988.39
  6. Step 6: Final answer
    x = 59,589.56

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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.