Home / 80,288.02-110,781.50-48,458.67

Finding the Fourth Proportional to 80,288.02, 110,781.50 and 48,458.67

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Solution

The fourth proportional to 80,288.02, 110,781.50 and 48,458.67 is: 66,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.02 : 110,781.50 = 48,458.67 : x
  2. Step 2: Convert to fraction form
    80,288.02/110,781.50 = 48,458.67/x
  3. Step 3: Cross multiply
    80,288.02x = 110,781.50 × 48,458.67
  4. Step 4: Simplify right side
    80,288.02x = 5,368,324,150.61
  5. Step 5: Solve for x
    x = 5,368,324,150.61/80,288.02
  6. Step 6: Final answer
    x = 66,863.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.