Home / 57,744.12-79,741.92-54,599.28

Finding the Fourth Proportional to 57,744.12, 79,741.92 and 54,599.28

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Solution

The fourth proportional to 57,744.12, 79,741.92 and 54,599.28 is: 75,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.12 : 79,741.92 = 54,599.28 : x
  2. Step 2: Convert to fraction form
    57,744.12/79,741.92 = 54,599.28/x
  3. Step 3: Cross multiply
    57,744.12x = 79,741.92 × 54,599.28
  4. Step 4: Simplify right side
    57,744.12x = 4,353,851,417.82
  5. Step 5: Solve for x
    x = 4,353,851,417.82/57,744.12
  6. Step 6: Final answer
    x = 75,399.04

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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.