Home / 68,441.04-102,665.24-21,697.56

Finding the Fourth Proportional to 68,441.04, 102,665.24 and 21,697.56

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Solution

The fourth proportional to 68,441.04, 102,665.24 and 21,697.56 is: 32,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.04 : 102,665.24 = 21,697.56 : x
  2. Step 2: Convert to fraction form
    68,441.04/102,665.24 = 21,697.56/x
  3. Step 3: Cross multiply
    68,441.04x = 102,665.24 × 21,697.56
  4. Step 4: Simplify right side
    68,441.04x = 2,227,585,204.81
  5. Step 5: Solve for x
    x = 2,227,585,204.81/68,441.04
  6. Step 6: Final answer
    x = 32,547.51

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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.