Home / 78,745.30-108,669.99-46,932.65

Finding the Fourth Proportional to 78,745.30, 108,669.99 and 46,932.65

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Solution

The fourth proportional to 78,745.30, 108,669.99 and 46,932.65 is: 64,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,745.30 : 108,669.99 = 46,932.65 : x
  2. Step 2: Convert to fraction form
    78,745.30/108,669.99 = 46,932.65/x
  3. Step 3: Cross multiply
    78,745.30x = 108,669.99 × 46,932.65
  4. Step 4: Simplify right side
    78,745.30x = 5,100,170,606.17
  5. Step 5: Solve for x
    x = 5,100,170,606.17/78,745.30
  6. Step 6: Final answer
    x = 64,767.94

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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.