Home / 83,999.20-126,009.60-41,900.80

Finding the Fourth Proportional to 83,999.20, 126,009.60 and 41,900.80

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Solution

The fourth proportional to 83,999.20, 126,009.60 and 41,900.80 is: 62,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.20 : 126,009.60 = 41,900.80 : x
  2. Step 2: Convert to fraction form
    83,999.20/126,009.60 = 41,900.80/x
  3. Step 3: Cross multiply
    83,999.20x = 126,009.60 × 41,900.80
  4. Step 4: Simplify right side
    83,999.20x = 5,279,903,047.68
  5. Step 5: Solve for x
    x = 5,279,903,047.68/83,999.20
  6. Step 6: Final answer
    x = 62,856.59

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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.