Home / 87,954.05-131,955.68-28,831.34

Finding the Fourth Proportional to 87,954.05, 131,955.68 and 28,831.34

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Solution

The fourth proportional to 87,954.05, 131,955.68 and 28,831.34 is: 43,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.05 : 131,955.68 = 28,831.34 : x
  2. Step 2: Convert to fraction form
    87,954.05/131,955.68 = 28,831.34/x
  3. Step 3: Cross multiply
    87,954.05x = 131,955.68 × 28,831.34
  4. Step 4: Simplify right side
    87,954.05x = 3,804,459,476.98
  5. Step 5: Solve for x
    x = 3,804,459,476.98/87,954.05
  6. Step 6: Final answer
    x = 43,255.08

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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.