Home / 68,491.02-102,769.11-47,463.42

Finding the Fourth Proportional to 68,491.02, 102,769.11 and 47,463.42

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Solution

The fourth proportional to 68,491.02, 102,769.11 and 47,463.42 is: 71,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,491.02 : 102,769.11 = 47,463.42 : x
  2. Step 2: Convert to fraction form
    68,491.02/102,769.11 = 47,463.42/x
  3. Step 3: Cross multiply
    68,491.02x = 102,769.11 × 47,463.42
  4. Step 4: Simplify right side
    68,491.02x = 4,877,772,679.79
  5. Step 5: Solve for x
    x = 4,877,772,679.79/68,491.02
  6. Step 6: Final answer
    x = 71,217.70

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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.