Home / 84,003.11-125,960.93-39,617.95

Finding the Fourth Proportional to 84,003.11, 125,960.93 and 39,617.95

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Solution

The fourth proportional to 84,003.11, 125,960.93 and 39,617.95 is: 59,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,003.11 : 125,960.93 = 39,617.95 : x
  2. Step 2: Convert to fraction form
    84,003.11/125,960.93 = 39,617.95/x
  3. Step 3: Cross multiply
    84,003.11x = 125,960.93 × 39,617.95
  4. Step 4: Simplify right side
    84,003.11x = 4,990,313,313.70
  5. Step 5: Solve for x
    x = 4,990,313,313.70/84,003.11
  6. Step 6: Final answer
    x = 59,406.29

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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.