Home / 57,046.14-78,723.90-31,895.64

Finding the Fourth Proportional to 57,046.14, 78,723.90 and 31,895.64

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Solution

The fourth proportional to 57,046.14, 78,723.90 and 31,895.64 is: 44,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,046.14 : 78,723.90 = 31,895.64 : x
  2. Step 2: Convert to fraction form
    57,046.14/78,723.90 = 31,895.64/x
  3. Step 3: Cross multiply
    57,046.14x = 78,723.90 × 31,895.64
  4. Step 4: Simplify right side
    57,046.14x = 2,510,949,173.80
  5. Step 5: Solve for x
    x = 2,510,949,173.80/57,046.14
  6. Step 6: Final answer
    x = 44,016.11

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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.