Home / 78,992.26-109,010.04-43,181.62

Finding the Fourth Proportional to 78,992.26, 109,010.04 and 43,181.62

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Solution

The fourth proportional to 78,992.26, 109,010.04 and 43,181.62 is: 59,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,992.26 : 109,010.04 = 43,181.62 : x
  2. Step 2: Convert to fraction form
    78,992.26/109,010.04 = 43,181.62/x
  3. Step 3: Cross multiply
    78,992.26x = 109,010.04 × 43,181.62
  4. Step 4: Simplify right side
    78,992.26x = 4,707,230,123.46
  5. Step 5: Solve for x
    x = 4,707,230,123.46/78,992.26
  6. Step 6: Final answer
    x = 59,591.03

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1.5x scale

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.