Home / 71,781.82-98,956.26-50,495.02

Finding the Fourth Proportional to 71,781.82, 98,956.26 and 50,495.02

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Solution

The fourth proportional to 71,781.82, 98,956.26 and 50,495.02 is: 69,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.82 : 98,956.26 = 50,495.02 : x
  2. Step 2: Convert to fraction form
    71,781.82/98,956.26 = 50,495.02/x
  3. Step 3: Cross multiply
    71,781.82x = 98,956.26 × 50,495.02
  4. Step 4: Simplify right side
    71,781.82x = 4,996,798,327.83
  5. Step 5: Solve for x
    x = 4,996,798,327.83/71,781.82
  6. Step 6: Final answer
    x = 69,610.92

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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.