Home / 74,769.79-112,178.99-49,910.89

Finding the Fourth Proportional to 74,769.79, 112,178.99 and 49,910.89

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Solution

The fourth proportional to 74,769.79, 112,178.99 and 49,910.89 is: 74,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769.79 : 112,178.99 = 49,910.89 : x
  2. Step 2: Convert to fraction form
    74,769.79/112,178.99 = 49,910.89/x
  3. Step 3: Cross multiply
    74,769.79x = 112,178.99 × 49,910.89
  4. Step 4: Simplify right side
    74,769.79x = 5,598,952,980.65
  5. Step 5: Solve for x
    x = 5,598,952,980.65/74,769.79
  6. Step 6: Final answer
    x = 74,882.56

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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.