Home / 80,524.21-111,119.70-44,716.51

Finding the Fourth Proportional to 80,524.21, 111,119.70 and 44,716.51

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Solution

The fourth proportional to 80,524.21, 111,119.70 and 44,716.51 is: 61,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,524.21 : 111,119.70 = 44,716.51 : x
  2. Step 2: Convert to fraction form
    80,524.21/111,119.70 = 44,716.51/x
  3. Step 3: Cross multiply
    80,524.21x = 111,119.70 × 44,716.51
  4. Step 4: Simplify right side
    80,524.21x = 4,968,885,176.25
  5. Step 5: Solve for x
    x = 4,968,885,176.25/80,524.21
  6. Step 6: Final answer
    x = 61,706.72

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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.