Home / 74,987.39-103,508.66-43,168.97

Finding the Fourth Proportional to 74,987.39, 103,508.66 and 43,168.97

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Solution

The fourth proportional to 74,987.39, 103,508.66 and 43,168.97 is: 59,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.39 : 103,508.66 = 43,168.97 : x
  2. Step 2: Convert to fraction form
    74,987.39/103,508.66 = 43,168.97/x
  3. Step 3: Cross multiply
    74,987.39x = 103,508.66 × 43,168.97
  4. Step 4: Simplify right side
    74,987.39x = 4,468,362,604.97
  5. Step 5: Solve for x
    x = 4,468,362,604.97/74,987.39
  6. Step 6: Final answer
    x = 59,588.18

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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.