Home / 50,645.74-75,968.67-13,205.78

Finding the Fourth Proportional to 50,645.74, 75,968.67 and 13,205.78

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Solution

The fourth proportional to 50,645.74, 75,968.67 and 13,205.78 is: 19,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,645.74 : 75,968.67 = 13,205.78 : x
  2. Step 2: Convert to fraction form
    50,645.74/75,968.67 = 13,205.78/x
  3. Step 3: Cross multiply
    50,645.74x = 75,968.67 × 13,205.78
  4. Step 4: Simplify right side
    50,645.74x = 1,003,225,540.87
  5. Step 5: Solve for x
    x = 1,003,225,540.87/50,645.74
  6. Step 6: Final answer
    x = 19,808.69

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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.