Home / 95,579.74-131,616.39-68,674.78

Finding the Fourth Proportional to 95,579.74, 131,616.39 and 68,674.78

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Solution

The fourth proportional to 95,579.74, 131,616.39 and 68,674.78 is: 94,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,579.74 : 131,616.39 = 68,674.78 : x
  2. Step 2: Convert to fraction form
    95,579.74/131,616.39 = 68,674.78/x
  3. Step 3: Cross multiply
    95,579.74x = 131,616.39 × 68,674.78
  4. Step 4: Simplify right side
    95,579.74x = 9,038,726,627.64
  5. Step 5: Solve for x
    x = 9,038,726,627.64/95,579.74
  6. Step 6: Final answer
    x = 94,567.39

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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.