Home / 61,317.92-91,944.47-31,730.24

Finding the Fourth Proportional to 61,317.92, 91,944.47 and 31,730.24

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Solution

The fourth proportional to 61,317.92, 91,944.47 and 31,730.24 is: 47,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,317.92 : 91,944.47 = 31,730.24 : x
  2. Step 2: Convert to fraction form
    61,317.92/91,944.47 = 31,730.24/x
  3. Step 3: Cross multiply
    61,317.92x = 91,944.47 × 31,730.24
  4. Step 4: Simplify right side
    61,317.92x = 2,917,419,481.40
  5. Step 5: Solve for x
    x = 2,917,419,481.40/61,317.92
  6. Step 6: Final answer
    x = 47,578.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.