Home / 80,910.65-121,361.61-24,750.77

Finding the Fourth Proportional to 80,910.65, 121,361.61 and 24,750.77

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Solution

The fourth proportional to 80,910.65, 121,361.61 and 24,750.77 is: 37,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,910.65 : 121,361.61 = 24,750.77 : x
  2. Step 2: Convert to fraction form
    80,910.65/121,361.61 = 24,750.77/x
  3. Step 3: Cross multiply
    80,910.65x = 121,361.61 × 24,750.77
  4. Step 4: Simplify right side
    80,910.65x = 3,003,792,642.72
  5. Step 5: Solve for x
    x = 3,003,792,642.72/80,910.65
  6. Step 6: Final answer
    x = 37,124.81

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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.