Home / 68,621.14-102,860.35-26,530.13

Finding the Fourth Proportional to 68,621.14, 102,860.35 and 26,530.13

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Solution

The fourth proportional to 68,621.14, 102,860.35 and 26,530.13 is: 39,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,621.14 : 102,860.35 = 26,530.13 : x
  2. Step 2: Convert to fraction form
    68,621.14/102,860.35 = 26,530.13/x
  3. Step 3: Cross multiply
    68,621.14x = 102,860.35 × 26,530.13
  4. Step 4: Simplify right side
    68,621.14x = 2,728,898,324.69
  5. Step 5: Solve for x
    x = 2,728,898,324.69/68,621.14
  6. Step 6: Final answer
    x = 39,767.60

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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.