Home / 57,399.07-79,205.28-31,902.41

Finding the Fourth Proportional to 57,399.07, 79,205.28 and 31,902.41

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Solution

The fourth proportional to 57,399.07, 79,205.28 and 31,902.41 is: 44,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,399.07 : 79,205.28 = 31,902.41 : x
  2. Step 2: Convert to fraction form
    57,399.07/79,205.28 = 31,902.41/x
  3. Step 3: Cross multiply
    57,399.07x = 79,205.28 × 31,902.41
  4. Step 4: Simplify right side
    57,399.07x = 2,526,839,084.16
  5. Step 5: Solve for x
    x = 2,526,839,084.16/57,399.07
  6. Step 6: Final answer
    x = 44,022.30

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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.