Home / 84,919.88-127,380.13-25,756.07

Finding the Fourth Proportional to 84,919.88, 127,380.13 and 25,756.07

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Solution

The fourth proportional to 84,919.88, 127,380.13 and 25,756.07 is: 38,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.88 : 127,380.13 = 25,756.07 : x
  2. Step 2: Convert to fraction form
    84,919.88/127,380.13 = 25,756.07/x
  3. Step 3: Cross multiply
    84,919.88x = 127,380.13 × 25,756.07
  4. Step 4: Simplify right side
    84,919.88x = 3,280,810,843.60
  5. Step 5: Solve for x
    x = 3,280,810,843.60/84,919.88
  6. Step 6: Final answer
    x = 38,634.19

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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.