Home / 78,832.12-108,788.52-44,839.84

Finding the Fourth Proportional to 78,832.12, 108,788.52 and 44,839.84

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Solution

The fourth proportional to 78,832.12, 108,788.52 and 44,839.84 is: 61,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832.12 : 108,788.52 = 44,839.84 : x
  2. Step 2: Convert to fraction form
    78,832.12/108,788.52 = 44,839.84/x
  3. Step 3: Cross multiply
    78,832.12x = 108,788.52 × 44,839.84
  4. Step 4: Simplify right side
    78,832.12x = 4,878,059,830.64
  5. Step 5: Solve for x
    x = 4,878,059,830.64/78,832.12
  6. Step 6: Final answer
    x = 61,879.09

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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.