Home / 87,367.10-131,017.39-31,196.75

Finding the Fourth Proportional to 87,367.10, 131,017.39 and 31,196.75

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Solution

The fourth proportional to 87,367.10, 131,017.39 and 31,196.75 is: 46,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367.10 : 131,017.39 = 31,196.75 : x
  2. Step 2: Convert to fraction form
    87,367.10/131,017.39 = 31,196.75/x
  3. Step 3: Cross multiply
    87,367.10x = 131,017.39 × 31,196.75
  4. Step 4: Simplify right side
    87,367.10x = 4,087,316,028.40
  5. Step 5: Solve for x
    x = 4,087,316,028.40/87,367.10
  6. Step 6: Final answer
    x = 46,783.24

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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.