Home / 87,968.43-131,962.77-25,638.93

Finding the Fourth Proportional to 87,968.43, 131,962.77 and 25,638.93

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Solution

The fourth proportional to 87,968.43, 131,962.77 and 25,638.93 is: 38,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.43 : 131,962.77 = 25,638.93 : x
  2. Step 2: Convert to fraction form
    87,968.43/131,962.77 = 25,638.93/x
  3. Step 3: Cross multiply
    87,968.43x = 131,962.77 × 25,638.93
  4. Step 4: Simplify right side
    87,968.43x = 3,383,384,222.64
  5. Step 5: Solve for x
    x = 3,383,384,222.64/87,968.43
  6. Step 6: Final answer
    x = 38,461.35

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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.