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Finding the Fourth Proportional to 80,018.64, 110,428.02 and 44,210.97

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Solution

The fourth proportional to 80,018.64, 110,428.02 and 44,210.97 is: 61,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,018.64 : 110,428.02 = 44,210.97 : x
  2. Step 2: Convert to fraction form
    80,018.64/110,428.02 = 44,210.97/x
  3. Step 3: Cross multiply
    80,018.64x = 110,428.02 × 44,210.97
  4. Step 4: Simplify right side
    80,018.64x = 4,882,129,879.38
  5. Step 5: Solve for x
    x = 4,882,129,879.38/80,018.64
  6. Step 6: Final answer
    x = 61,012.41

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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.