Home / 57,291.23-79,061.62-31,797.90

Finding the Fourth Proportional to 57,291.23, 79,061.62 and 31,797.90

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Solution

The fourth proportional to 57,291.23, 79,061.62 and 31,797.90 is: 43,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.23 : 79,061.62 = 31,797.90 : x
  2. Step 2: Convert to fraction form
    57,291.23/79,061.62 = 31,797.90/x
  3. Step 3: Cross multiply
    57,291.23x = 79,061.62 × 31,797.90
  4. Step 4: Simplify right side
    57,291.23x = 2,513,992,932.30
  5. Step 5: Solve for x
    x = 2,513,992,932.30/57,291.23
  6. Step 6: Final answer
    x = 43,880.94

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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.