Home / 86,922.71-119,945.27-49,196.96

Finding the Fourth Proportional to 86,922.71, 119,945.27 and 49,196.96

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Solution

The fourth proportional to 86,922.71, 119,945.27 and 49,196.96 is: 67,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.71 : 119,945.27 = 49,196.96 : x
  2. Step 2: Convert to fraction form
    86,922.71/119,945.27 = 49,196.96/x
  3. Step 3: Cross multiply
    86,922.71x = 119,945.27 × 49,196.96
  4. Step 4: Simplify right side
    86,922.71x = 5,900,942,650.38
  5. Step 5: Solve for x
    x = 5,900,942,650.38/86,922.71
  6. Step 6: Final answer
    x = 67,887.24

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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.