Home / 71,204.64-98,263.06-39,375.70

Finding the Fourth Proportional to 71,204.64, 98,263.06 and 39,375.70

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Solution

The fourth proportional to 71,204.64, 98,263.06 and 39,375.70 is: 54,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,204.64 : 98,263.06 = 39,375.70 : x
  2. Step 2: Convert to fraction form
    71,204.64/98,263.06 = 39,375.70/x
  3. Step 3: Cross multiply
    71,204.64x = 98,263.06 × 39,375.70
  4. Step 4: Simplify right side
    71,204.64x = 3,869,176,771.64
  5. Step 5: Solve for x
    x = 3,869,176,771.64/71,204.64
  6. Step 6: Final answer
    x = 54,338.83

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1.5x scale

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.