Home / 71,091.35-98,103.38-38,824.90

Finding the Fourth Proportional to 71,091.35, 98,103.38 and 38,824.90

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Solution

The fourth proportional to 71,091.35, 98,103.38 and 38,824.90 is: 53,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.35 : 98,103.38 = 38,824.90 : x
  2. Step 2: Convert to fraction form
    71,091.35/98,103.38 = 38,824.90/x
  3. Step 3: Cross multiply
    71,091.35x = 98,103.38 × 38,824.90
  4. Step 4: Simplify right side
    71,091.35x = 3,808,853,918.16
  5. Step 5: Solve for x
    x = 3,808,853,918.16/71,091.35
  6. Step 6: Final answer
    x = 53,576.90

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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.