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Finding the Fourth Proportional to 80,312.06, 110,835.07 and 44,501.30

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Solution

The fourth proportional to 80,312.06, 110,835.07 and 44,501.30 is: 61,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,312.06 : 110,835.07 = 44,501.30 : x
  2. Step 2: Convert to fraction form
    80,312.06/110,835.07 = 44,501.30/x
  3. Step 3: Cross multiply
    80,312.06x = 110,835.07 × 44,501.30
  4. Step 4: Simplify right side
    80,312.06x = 4,932,304,866.43
  5. Step 5: Solve for x
    x = 4,932,304,866.43/80,312.06
  6. Step 6: Final answer
    x = 61,414.25

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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.