Home / 80,769.29-121,178.63-41,354.28

Finding the Fourth Proportional to 80,769.29, 121,178.63 and 41,354.28

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Solution

The fourth proportional to 80,769.29, 121,178.63 and 41,354.28 is: 62,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,769.29 : 121,178.63 = 41,354.28 : x
  2. Step 2: Convert to fraction form
    80,769.29/121,178.63 = 41,354.28/x
  3. Step 3: Cross multiply
    80,769.29x = 121,178.63 × 41,354.28
  4. Step 4: Simplify right side
    80,769.29x = 5,011,255,098.42
  5. Step 5: Solve for x
    x = 5,011,255,098.42/80,769.29
  6. Step 6: Final answer
    x = 62,044.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.