Home / 57,358.50-79,167.38-31,873.61

Finding the Fourth Proportional to 57,358.50, 79,167.38 and 31,873.61

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Solution

The fourth proportional to 57,358.50, 79,167.38 and 31,873.61 is: 43,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358.50 : 79,167.38 = 31,873.61 : x
  2. Step 2: Convert to fraction form
    57,358.50/79,167.38 = 31,873.61/x
  3. Step 3: Cross multiply
    57,358.50x = 79,167.38 × 31,873.61
  4. Step 4: Simplify right side
    57,358.50x = 2,523,349,639.64
  5. Step 5: Solve for x
    x = 2,523,349,639.64/57,358.50
  6. Step 6: Final answer
    x = 43,992.60

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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.