Home / 87,335.82-131,036.94-34,782.21

Finding the Fourth Proportional to 87,335.82, 131,036.94 and 34,782.21

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Solution

The fourth proportional to 87,335.82, 131,036.94 and 34,782.21 is: 52,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.82 : 131,036.94 = 34,782.21 : x
  2. Step 2: Convert to fraction form
    87,335.82/131,036.94 = 34,782.21/x
  3. Step 3: Cross multiply
    87,335.82x = 131,036.94 × 34,782.21
  4. Step 4: Simplify right side
    87,335.82x = 4,557,754,364.84
  5. Step 5: Solve for x
    x = 4,557,754,364.84/87,335.82
  6. Step 6: Final answer
    x = 52,186.54

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1.5x scale

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.