Home / 69,487.45-104,119.94-67,642.14

Finding the Fourth Proportional to 69,487.45, 104,119.94 and 67,642.14

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Solution

The fourth proportional to 69,487.45, 104,119.94 and 67,642.14 is: 101,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,487.45 : 104,119.94 = 67,642.14 : x
  2. Step 2: Convert to fraction form
    69,487.45/104,119.94 = 67,642.14/x
  3. Step 3: Cross multiply
    69,487.45x = 104,119.94 × 67,642.14
  4. Step 4: Simplify right side
    69,487.45x = 7,042,894,699.46
  5. Step 5: Solve for x
    x = 7,042,894,699.46/69,487.45
  6. Step 6: Final answer
    x = 101,354.92

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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.