Home / 69,395.89-95,760.75-39,188.56

Finding the Fourth Proportional to 69,395.89, 95,760.75 and 39,188.56

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Solution

The fourth proportional to 69,395.89, 95,760.75 and 39,188.56 is: 54,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395.89 : 95,760.75 = 39,188.56 : x
  2. Step 2: Convert to fraction form
    69,395.89/95,760.75 = 39,188.56/x
  3. Step 3: Cross multiply
    69,395.89x = 95,760.75 × 39,188.56
  4. Step 4: Simplify right side
    69,395.89x = 3,752,725,897.02
  5. Step 5: Solve for x
    x = 3,752,725,897.02/69,395.89
  6. Step 6: Final answer
    x = 54,077.06

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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.