Home / 85,236.67-117,578.45-53,350.21

Finding the Fourth Proportional to 85,236.67, 117,578.45 and 53,350.21

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Solution

The fourth proportional to 85,236.67, 117,578.45 and 53,350.21 is: 73,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.67 : 117,578.45 = 53,350.21 : x
  2. Step 2: Convert to fraction form
    85,236.67/117,578.45 = 53,350.21/x
  3. Step 3: Cross multiply
    85,236.67x = 117,578.45 × 53,350.21
  4. Step 4: Simplify right side
    85,236.67x = 6,272,834,998.97
  5. Step 5: Solve for x
    x = 6,272,834,998.97/85,236.67
  6. Step 6: Final answer
    x = 73,593.15

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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.