Home / 85,355.25-117,837.42-51,372.07

Finding the Fourth Proportional to 85,355.25, 117,837.42 and 51,372.07

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Solution

The fourth proportional to 85,355.25, 117,837.42 and 51,372.07 is: 70,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,355.25 : 117,837.42 = 51,372.07 : x
  2. Step 2: Convert to fraction form
    85,355.25/117,837.42 = 51,372.07/x
  3. Step 3: Cross multiply
    85,355.25x = 117,837.42 × 51,372.07
  4. Step 4: Simplify right side
    85,355.25x = 6,053,552,188.86
  5. Step 5: Solve for x
    x = 6,053,552,188.86/85,355.25
  6. Step 6: Final answer
    x = 70,921.85

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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.