Home / 76,661.55-114,992.33-26,725.05

Finding the Fourth Proportional to 76,661.55, 114,992.33 and 26,725.05

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Solution

The fourth proportional to 76,661.55, 114,992.33 and 26,725.05 is: 40,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,661.55 : 114,992.33 = 26,725.05 : x
  2. Step 2: Convert to fraction form
    76,661.55/114,992.33 = 26,725.05/x
  3. Step 3: Cross multiply
    76,661.55x = 114,992.33 × 26,725.05
  4. Step 4: Simplify right side
    76,661.55x = 3,073,175,635.24
  5. Step 5: Solve for x
    x = 3,073,175,635.24/76,661.55
  6. Step 6: Final answer
    x = 40,087.58

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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.