Home / 68,414.02-102,623.91-21,665.86

Finding the Fourth Proportional to 68,414.02, 102,623.91 and 21,665.86

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Solution

The fourth proportional to 68,414.02, 102,623.91 and 21,665.86 is: 32,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.02 : 102,623.91 = 21,665.86 : x
  2. Step 2: Convert to fraction form
    68,414.02/102,623.91 = 21,665.86/x
  3. Step 3: Cross multiply
    68,414.02x = 102,623.91 × 21,665.86
  4. Step 4: Simplify right side
    68,414.02x = 2,223,435,266.71
  5. Step 5: Solve for x
    x = 2,223,435,266.71/68,414.02
  6. Step 6: Final answer
    x = 32,499.70

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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.