Home / 84,624.31-126,937.38-40,255.57

Finding the Fourth Proportional to 84,624.31, 126,937.38 and 40,255.57

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Solution

The fourth proportional to 84,624.31, 126,937.38 and 40,255.57 is: 60,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.31 : 126,937.38 = 40,255.57 : x
  2. Step 2: Convert to fraction form
    84,624.31/126,937.38 = 40,255.57/x
  3. Step 3: Cross multiply
    84,624.31x = 126,937.38 × 40,255.57
  4. Step 4: Simplify right side
    84,624.31x = 5,109,936,586.21
  5. Step 5: Solve for x
    x = 5,109,936,586.21/84,624.31
  6. Step 6: Final answer
    x = 60,383.79

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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.