Home / 80,999.92-121,554.12-33,615.06

Finding the Fourth Proportional to 80,999.92, 121,554.12 and 33,615.06

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Solution

The fourth proportional to 80,999.92, 121,554.12 and 33,615.06 is: 50,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,999.92 : 121,554.12 = 33,615.06 : x
  2. Step 2: Convert to fraction form
    80,999.92/121,554.12 = 33,615.06/x
  3. Step 3: Cross multiply
    80,999.92x = 121,554.12 × 33,615.06
  4. Step 4: Simplify right side
    80,999.92x = 4,086,048,707.28
  5. Step 5: Solve for x
    x = 4,086,048,707.28/80,999.92
  6. Step 6: Final answer
    x = 50,445.09

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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.