Home / 49,121.12-67,780.68-27,612.32

Finding the Fourth Proportional to 49,121.12, 67,780.68 and 27,612.32

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Solution

The fourth proportional to 49,121.12, 67,780.68 and 27,612.32 is: 38,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.12 : 67,780.68 = 27,612.32 : x
  2. Step 2: Convert to fraction form
    49,121.12/67,780.68 = 27,612.32/x
  3. Step 3: Cross multiply
    49,121.12x = 67,780.68 × 27,612.32
  4. Step 4: Simplify right side
    49,121.12x = 1,871,581,825.98
  5. Step 5: Solve for x
    x = 1,871,581,825.98/49,121.12
  6. Step 6: Final answer
    x = 38,101.37

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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.