Home / 87,934.84-131,888.47-27,955.45

Finding the Fourth Proportional to 87,934.84, 131,888.47 and 27,955.45

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Solution

The fourth proportional to 87,934.84, 131,888.47 and 27,955.45 is: 41,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934.84 : 131,888.47 = 27,955.45 : x
  2. Step 2: Convert to fraction form
    87,934.84/131,888.47 = 27,955.45/x
  3. Step 3: Cross multiply
    87,934.84x = 131,888.47 × 27,955.45
  4. Step 4: Simplify right side
    87,934.84x = 3,687,001,528.66
  5. Step 5: Solve for x
    x = 3,687,001,528.66/87,934.84
  6. Step 6: Final answer
    x = 41,928.79

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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.