Home / 87,567.90-120,834.97-49,326.38

Finding the Fourth Proportional to 87,567.90, 120,834.97 and 49,326.38

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Solution

The fourth proportional to 87,567.90, 120,834.97 and 49,326.38 is: 68,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,567.90 : 120,834.97 = 49,326.38 : x
  2. Step 2: Convert to fraction form
    87,567.90/120,834.97 = 49,326.38/x
  3. Step 3: Cross multiply
    87,567.90x = 120,834.97 × 49,326.38
  4. Step 4: Simplify right side
    87,567.90x = 5,960,351,826.28
  5. Step 5: Solve for x
    x = 5,960,351,826.28/87,567.90
  6. Step 6: Final answer
    x = 68,065.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.