Home / 86,580.25-119,500.64-50,781.79

Finding the Fourth Proportional to 86,580.25, 119,500.64 and 50,781.79

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Solution

The fourth proportional to 86,580.25, 119,500.64 and 50,781.79 is: 70,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,580.25 : 119,500.64 = 50,781.79 : x
  2. Step 2: Convert to fraction form
    86,580.25/119,500.64 = 50,781.79/x
  3. Step 3: Cross multiply
    86,580.25x = 119,500.64 × 50,781.79
  4. Step 4: Simplify right side
    86,580.25x = 6,068,456,405.35
  5. Step 5: Solve for x
    x = 6,068,456,405.35/86,580.25
  6. Step 6: Final answer
    x = 70,090.54

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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.