Home / 87,902.82-131,854.23-58,378.32

Finding the Fourth Proportional to 87,902.82, 131,854.23 and 58,378.32

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Solution

The fourth proportional to 87,902.82, 131,854.23 and 58,378.32 is: 87,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.82 : 131,854.23 = 58,378.32 : x
  2. Step 2: Convert to fraction form
    87,902.82/131,854.23 = 58,378.32/x
  3. Step 3: Cross multiply
    87,902.82x = 131,854.23 × 58,378.32
  4. Step 4: Simplify right side
    87,902.82x = 7,697,428,432.29
  5. Step 5: Solve for x
    x = 7,697,428,432.29/87,902.82
  6. Step 6: Final answer
    x = 87,567.48

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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.