Home / 101,972.88-152,959-27,100.56

Finding the Fourth Proportional to 101,972.88, 152,959 and 27,100.56

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Solution

The fourth proportional to 101,972.88, 152,959 and 27,100.56 is: 40,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,972.88 : 152,959 = 27,100.56 : x
  2. Step 2: Convert to fraction form
    101,972.88/152,959 = 27,100.56/x
  3. Step 3: Cross multiply
    101,972.88x = 152,959 × 27,100.56
  4. Step 4: Simplify right side
    101,972.88x = 4,145,274,557.04
  5. Step 5: Solve for x
    x = 4,145,274,557.04/101,972.88
  6. Step 6: Final answer
    x = 40,650.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.