Home / 76,760.73-115,053.62-35,120.25

Finding the Fourth Proportional to 76,760.73, 115,053.62 and 35,120.25

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Solution

The fourth proportional to 76,760.73, 115,053.62 and 35,120.25 is: 52,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,760.73 : 115,053.62 = 35,120.25 : x
  2. Step 2: Convert to fraction form
    76,760.73/115,053.62 = 35,120.25/x
  3. Step 3: Cross multiply
    76,760.73x = 115,053.62 × 35,120.25
  4. Step 4: Simplify right side
    76,760.73x = 4,040,711,722.20
  5. Step 5: Solve for x
    x = 4,040,711,722.20/76,760.73
  6. Step 6: Final answer
    x = 52,640.35

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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.