Home / 68,377.02-102,564.70-17,771.56

Finding the Fourth Proportional to 68,377.02, 102,564.70 and 17,771.56

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Solution

The fourth proportional to 68,377.02, 102,564.70 and 17,771.56 is: 26,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377.02 : 102,564.70 = 17,771.56 : x
  2. Step 2: Convert to fraction form
    68,377.02/102,564.70 = 17,771.56/x
  3. Step 3: Cross multiply
    68,377.02x = 102,564.70 × 17,771.56
  4. Step 4: Simplify right side
    68,377.02x = 1,822,734,719.93
  5. Step 5: Solve for x
    x = 1,822,734,719.93/68,377.02
  6. Step 6: Final answer
    x = 26,657.12

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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.