Home / 76,860.92-115,297.32-29,498.70

Finding the Fourth Proportional to 76,860.92, 115,297.32 and 29,498.70

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Solution

The fourth proportional to 76,860.92, 115,297.32 and 29,498.70 is: 44,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.92 : 115,297.32 = 29,498.70 : x
  2. Step 2: Convert to fraction form
    76,860.92/115,297.32 = 29,498.70/x
  3. Step 3: Cross multiply
    76,860.92x = 115,297.32 × 29,498.70
  4. Step 4: Simplify right side
    76,860.92x = 3,401,121,053.48
  5. Step 5: Solve for x
    x = 3,401,121,053.48/76,860.92
  6. Step 6: Final answer
    x = 44,250.33

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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.