Home / 57,821.99-79,789.93-35,157.84

Finding the Fourth Proportional to 57,821.99, 79,789.93 and 35,157.84

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Solution

The fourth proportional to 57,821.99, 79,789.93 and 35,157.84 is: 48,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821.99 : 79,789.93 = 35,157.84 : x
  2. Step 2: Convert to fraction form
    57,821.99/79,789.93 = 35,157.84/x
  3. Step 3: Cross multiply
    57,821.99x = 79,789.93 × 35,157.84
  4. Step 4: Simplify right side
    57,821.99x = 2,805,241,592.55
  5. Step 5: Solve for x
    x = 2,805,241,592.55/57,821.99
  6. Step 6: Final answer
    x = 48,515.13

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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.