Home / 80,040.78-110,453.30-44,230.06

Finding the Fourth Proportional to 80,040.78, 110,453.30 and 44,230.06

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Solution

The fourth proportional to 80,040.78, 110,453.30 and 44,230.06 is: 61,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.78 : 110,453.30 = 44,230.06 : x
  2. Step 2: Convert to fraction form
    80,040.78/110,453.30 = 44,230.06/x
  3. Step 3: Cross multiply
    80,040.78x = 110,453.30 × 44,230.06
  4. Step 4: Simplify right side
    80,040.78x = 4,885,356,086.20
  5. Step 5: Solve for x
    x = 4,885,356,086.20/80,040.78
  6. Step 6: Final answer
    x = 61,035.84

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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.