Home / 80,148.30-110,569.89-48,299.10

Finding the Fourth Proportional to 80,148.30, 110,569.89 and 48,299.10

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Solution

The fourth proportional to 80,148.30, 110,569.89 and 48,299.10 is: 66,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.30 : 110,569.89 = 48,299.10 : x
  2. Step 2: Convert to fraction form
    80,148.30/110,569.89 = 48,299.10/x
  3. Step 3: Cross multiply
    80,148.30x = 110,569.89 × 48,299.10
  4. Step 4: Simplify right side
    80,148.30x = 5,340,426,174.10
  5. Step 5: Solve for x
    x = 5,340,426,174.10/80,148.30
  6. Step 6: Final answer
    x = 66,631.81

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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.