Home / 68,769.85-94,902.31-38,555.18

Finding the Fourth Proportional to 68,769.85, 94,902.31 and 38,555.18

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Solution

The fourth proportional to 68,769.85, 94,902.31 and 38,555.18 is: 53,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,769.85 : 94,902.31 = 38,555.18 : x
  2. Step 2: Convert to fraction form
    68,769.85/94,902.31 = 38,555.18/x
  3. Step 3: Cross multiply
    68,769.85x = 94,902.31 × 38,555.18
  4. Step 4: Simplify right side
    68,769.85x = 3,658,975,644.47
  5. Step 5: Solve for x
    x = 3,658,975,644.47/68,769.85
  6. Step 6: Final answer
    x = 53,206.10

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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.