Home / 69,717.81-104,575.81-17,127.75

Finding the Fourth Proportional to 69,717.81, 104,575.81 and 17,127.75

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Solution

The fourth proportional to 69,717.81, 104,575.81 and 17,127.75 is: 25,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.81 : 104,575.81 = 17,127.75 : x
  2. Step 2: Convert to fraction form
    69,717.81/104,575.81 = 17,127.75/x
  3. Step 3: Cross multiply
    69,717.81x = 104,575.81 × 17,127.75
  4. Step 4: Simplify right side
    69,717.81x = 1,791,148,711.18
  5. Step 5: Solve for x
    x = 1,791,148,711.18/69,717.81
  6. Step 6: Final answer
    x = 25,691.41

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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.