Home / 57,288.74-79,059.29-31,795.61

Finding the Fourth Proportional to 57,288.74, 79,059.29 and 31,795.61

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Solution

The fourth proportional to 57,288.74, 79,059.29 and 31,795.61 is: 43,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,288.74 : 79,059.29 = 31,795.61 : x
  2. Step 2: Convert to fraction form
    57,288.74/79,059.29 = 31,795.61/x
  3. Step 3: Cross multiply
    57,288.74x = 79,059.29 × 31,795.61
  4. Step 4: Simplify right side
    57,288.74x = 2,513,737,797.44
  5. Step 5: Solve for x
    x = 2,513,737,797.44/57,288.74
  6. Step 6: Final answer
    x = 43,878.40

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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.