Home / 69,126.40-95,370.56-38,906.88

Finding the Fourth Proportional to 69,126.40, 95,370.56 and 38,906.88

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Solution

The fourth proportional to 69,126.40, 95,370.56 and 38,906.88 is: 53,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.40 : 95,370.56 = 38,906.88 : x
  2. Step 2: Convert to fraction form
    69,126.40/95,370.56 = 38,906.88/x
  3. Step 3: Cross multiply
    69,126.40x = 95,370.56 × 38,906.88
  4. Step 4: Simplify right side
    69,126.40x = 3,710,570,933.45
  5. Step 5: Solve for x
    x = 3,710,570,933.45/69,126.40
  6. Step 6: Final answer
    x = 53,678.06

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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.