Home / 75,073.62-103,639.06-43,236.37

Finding the Fourth Proportional to 75,073.62, 103,639.06 and 43,236.37

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Solution

The fourth proportional to 75,073.62, 103,639.06 and 43,236.37 is: 59,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,073.62 : 103,639.06 = 43,236.37 : x
  2. Step 2: Convert to fraction form
    75,073.62/103,639.06 = 43,236.37/x
  3. Step 3: Cross multiply
    75,073.62x = 103,639.06 × 43,236.37
  4. Step 4: Simplify right side
    75,073.62x = 4,480,976,744.61
  5. Step 5: Solve for x
    x = 4,480,976,744.61/75,073.62
  6. Step 6: Final answer
    x = 59,687.77

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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.