Home / 84,839.10-127,273.05-25,674.30

Finding the Fourth Proportional to 84,839.10, 127,273.05 and 25,674.30

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Solution

The fourth proportional to 84,839.10, 127,273.05 and 25,674.30 is: 38,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,839.10 : 127,273.05 = 25,674.30 : x
  2. Step 2: Convert to fraction form
    84,839.10/127,273.05 = 25,674.30/x
  3. Step 3: Cross multiply
    84,839.10x = 127,273.05 × 25,674.30
  4. Step 4: Simplify right side
    84,839.10x = 3,267,646,467.62
  5. Step 5: Solve for x
    x = 3,267,646,467.62/84,839.10
  6. Step 6: Final answer
    x = 38,515.81

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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.