Home / 68,145.11-94,040.25-37,929.78

Finding the Fourth Proportional to 68,145.11, 94,040.25 and 37,929.78

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Solution

The fourth proportional to 68,145.11, 94,040.25 and 37,929.78 is: 52,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145.11 : 94,040.25 = 37,929.78 : x
  2. Step 2: Convert to fraction form
    68,145.11/94,040.25 = 37,929.78/x
  3. Step 3: Cross multiply
    68,145.11x = 94,040.25 × 37,929.78
  4. Step 4: Simplify right side
    68,145.11x = 3,566,925,640.99
  5. Step 5: Solve for x
    x = 3,566,925,640.99/68,145.11
  6. Step 6: Final answer
    x = 52,343.09

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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.