Home / 69,102.40-95,363.19-38,888.80

Finding the Fourth Proportional to 69,102.40, 95,363.19 and 38,888.80

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Solution

The fourth proportional to 69,102.40, 95,363.19 and 38,888.80 is: 53,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102.40 : 95,363.19 = 38,888.80 : x
  2. Step 2: Convert to fraction form
    69,102.40/95,363.19 = 38,888.80/x
  3. Step 3: Cross multiply
    69,102.40x = 95,363.19 × 38,888.80
  4. Step 4: Simplify right side
    69,102.40x = 3,708,560,023.27
  5. Step 5: Solve for x
    x = 3,708,560,023.27/69,102.40
  6. Step 6: Final answer
    x = 53,667.60

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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.