Home / 83,519.72-125,220.06-39,122.26

Finding the Fourth Proportional to 83,519.72, 125,220.06 and 39,122.26

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Solution

The fourth proportional to 83,519.72, 125,220.06 and 39,122.26 is: 58,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,519.72 : 125,220.06 = 39,122.26 : x
  2. Step 2: Convert to fraction form
    83,519.72/125,220.06 = 39,122.26/x
  3. Step 3: Cross multiply
    83,519.72x = 125,220.06 × 39,122.26
  4. Step 4: Simplify right side
    83,519.72x = 4,898,891,431.49
  5. Step 5: Solve for x
    x = 4,898,891,431.49/83,519.72
  6. Step 6: Final answer
    x = 58,655.51

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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.