Home / 69,215.03-103,831.18-27,089.66

Finding the Fourth Proportional to 69,215.03, 103,831.18 and 27,089.66

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Solution

The fourth proportional to 69,215.03, 103,831.18 and 27,089.66 is: 40,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,215.03 : 103,831.18 = 27,089.66 : x
  2. Step 2: Convert to fraction form
    69,215.03/103,831.18 = 27,089.66/x
  3. Step 3: Cross multiply
    69,215.03x = 103,831.18 × 27,089.66
  4. Step 4: Simplify right side
    69,215.03x = 2,812,751,363.60
  5. Step 5: Solve for x
    x = 2,812,751,363.60/69,215.03
  6. Step 6: Final answer
    x = 40,637.87

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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.