Home / 57,765.24-79,716.06-31,269.24

Finding the Fourth Proportional to 57,765.24, 79,716.06 and 31,269.24

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Solution

The fourth proportional to 57,765.24, 79,716.06 and 31,269.24 is: 43,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,765.24 : 79,716.06 = 31,269.24 : x
  2. Step 2: Convert to fraction form
    57,765.24/79,716.06 = 31,269.24/x
  3. Step 3: Cross multiply
    57,765.24x = 79,716.06 × 31,269.24
  4. Step 4: Simplify right side
    57,765.24x = 2,492,660,611.99
  5. Step 5: Solve for x
    x = 2,492,660,611.99/57,765.24
  6. Step 6: Final answer
    x = 43,151.57

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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.