Home / 71,723.10-107,584.65-51,908.70

Finding the Fourth Proportional to 71,723.10, 107,584.65 and 51,908.70

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Solution

The fourth proportional to 71,723.10, 107,584.65 and 51,908.70 is: 77,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,723.10 : 107,584.65 = 51,908.70 : x
  2. Step 2: Convert to fraction form
    71,723.10/107,584.65 = 51,908.70/x
  3. Step 3: Cross multiply
    71,723.10x = 107,584.65 × 51,908.70
  4. Step 4: Simplify right side
    71,723.10x = 5,584,579,321.46
  5. Step 5: Solve for x
    x = 5,584,579,321.46/71,723.10
  6. Step 6: Final answer
    x = 77,863.05

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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.