Home / 71,612.82-107,255.61-34,199.09

Finding the Fourth Proportional to 71,612.82, 107,255.61 and 34,199.09

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Solution

The fourth proportional to 71,612.82, 107,255.61 and 34,199.09 is: 51,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,612.82 : 107,255.61 = 34,199.09 : x
  2. Step 2: Convert to fraction form
    71,612.82/107,255.61 = 34,199.09/x
  3. Step 3: Cross multiply
    71,612.82x = 107,255.61 × 34,199.09
  4. Step 4: Simplify right side
    71,612.82x = 3,668,044,125.33
  5. Step 5: Solve for x
    x = 3,668,044,125.33/71,612.82
  6. Step 6: Final answer
    x = 51,220.50

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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.