Home / 84,949.72-117,230.69-46,709.90

Finding the Fourth Proportional to 84,949.72, 117,230.69 and 46,709.90

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Solution

The fourth proportional to 84,949.72, 117,230.69 and 46,709.90 is: 64,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,949.72 : 117,230.69 = 46,709.90 : x
  2. Step 2: Convert to fraction form
    84,949.72/117,230.69 = 46,709.90/x
  3. Step 3: Cross multiply
    84,949.72x = 117,230.69 × 46,709.90
  4. Step 4: Simplify right side
    84,949.72x = 5,475,834,436.49
  5. Step 5: Solve for x
    x = 5,475,834,436.49/84,949.72
  6. Step 6: Final answer
    x = 64,459.71

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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.