Home / 57,351.09-79,141.94-31,859.22

Finding the Fourth Proportional to 57,351.09, 79,141.94 and 31,859.22

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Solution

The fourth proportional to 57,351.09, 79,141.94 and 31,859.22 is: 43,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.09 : 79,141.94 = 31,859.22 : x
  2. Step 2: Convert to fraction form
    57,351.09/79,141.94 = 31,859.22/x
  3. Step 3: Cross multiply
    57,351.09x = 79,141.94 × 31,859.22
  4. Step 4: Simplify right side
    57,351.09x = 2,521,400,477.69
  5. Step 5: Solve for x
    x = 2,521,400,477.69/57,351.09
  6. Step 6: Final answer
    x = 43,964.30

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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.