Home / 50,309.11-69,421.77-30,162.25

Finding the Fourth Proportional to 50,309.11, 69,421.77 and 30,162.25

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Solution

The fourth proportional to 50,309.11, 69,421.77 and 30,162.25 is: 41,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.11 : 69,421.77 = 30,162.25 : x
  2. Step 2: Convert to fraction form
    50,309.11/69,421.77 = 30,162.25/x
  3. Step 3: Cross multiply
    50,309.11x = 69,421.77 × 30,162.25
  4. Step 4: Simplify right side
    50,309.11x = 2,093,916,782.18
  5. Step 5: Solve for x
    x = 2,093,916,782.18/50,309.11
  6. Step 6: Final answer
    x = 41,621.03

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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.