Home / 57,379.16-79,181.66-31,884.87

Finding the Fourth Proportional to 57,379.16, 79,181.66 and 31,884.87

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Solution

The fourth proportional to 57,379.16, 79,181.66 and 31,884.87 is: 44,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.16 : 79,181.66 = 31,884.87 : x
  2. Step 2: Convert to fraction form
    57,379.16/79,181.66 = 31,884.87/x
  3. Step 3: Cross multiply
    57,379.16x = 79,181.66 × 31,884.87
  4. Step 4: Simplify right side
    57,379.16x = 2,524,696,776.06
  5. Step 5: Solve for x
    x = 2,524,696,776.06/57,379.16
  6. Step 6: Final answer
    x = 44,000.24

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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.