Home / 71,983.88-107,975.85-36,901.16

Finding the Fourth Proportional to 71,983.88, 107,975.85 and 36,901.16

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Solution

The fourth proportional to 71,983.88, 107,975.85 and 36,901.16 is: 55,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,983.88 : 107,975.85 = 36,901.16 : x
  2. Step 2: Convert to fraction form
    71,983.88/107,975.85 = 36,901.16/x
  3. Step 3: Cross multiply
    71,983.88x = 107,975.85 × 36,901.16
  4. Step 4: Simplify right side
    71,983.88x = 3,984,434,116.99
  5. Step 5: Solve for x
    x = 3,984,434,116.99/71,983.88
  6. Step 6: Final answer
    x = 55,351.76

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1.5x scale

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.