Home / 49,916.86-68,875.22-31,774.88

Finding the Fourth Proportional to 49,916.86, 68,875.22 and 31,774.88

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Solution

The fourth proportional to 49,916.86, 68,875.22 and 31,774.88 is: 43,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,916.86 : 68,875.22 = 31,774.88 : x
  2. Step 2: Convert to fraction form
    49,916.86/68,875.22 = 31,774.88/x
  3. Step 3: Cross multiply
    49,916.86x = 68,875.22 × 31,774.88
  4. Step 4: Simplify right side
    49,916.86x = 2,188,501,691.60
  5. Step 5: Solve for x
    x = 2,188,501,691.60/49,916.86
  6. Step 6: Final answer
    x = 43,842.94

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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.