Home / 57,508.18-79,392.44-40,333.29

Finding the Fourth Proportional to 57,508.18, 79,392.44 and 40,333.29

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Solution

The fourth proportional to 57,508.18, 79,392.44 and 40,333.29 is: 55,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.18 : 79,392.44 = 40,333.29 : x
  2. Step 2: Convert to fraction form
    57,508.18/79,392.44 = 40,333.29/x
  3. Step 3: Cross multiply
    57,508.18x = 79,392.44 × 40,333.29
  4. Step 4: Simplify right side
    57,508.18x = 3,202,158,329.15
  5. Step 5: Solve for x
    x = 3,202,158,329.15/57,508.18
  6. Step 6: Final answer
    x = 55,681.79

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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.