Home / 78,984.30-108,999.09-44,992.32

Finding the Fourth Proportional to 78,984.30, 108,999.09 and 44,992.32

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Solution

The fourth proportional to 78,984.30, 108,999.09 and 44,992.32 is: 62,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984.30 : 108,999.09 = 44,992.32 : x
  2. Step 2: Convert to fraction form
    78,984.30/108,999.09 = 44,992.32/x
  3. Step 3: Cross multiply
    78,984.30x = 108,999.09 × 44,992.32
  4. Step 4: Simplify right side
    78,984.30x = 4,904,121,936.99
  5. Step 5: Solve for x
    x = 4,904,121,936.99/78,984.30
  6. Step 6: Final answer
    x = 62,089.83

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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.