Home / 85,372.39-117,829.32-50,919.33

Finding the Fourth Proportional to 85,372.39, 117,829.32 and 50,919.33

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Solution

The fourth proportional to 85,372.39, 117,829.32 and 50,919.33 is: 70,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,372.39 : 117,829.32 = 50,919.33 : x
  2. Step 2: Convert to fraction form
    85,372.39/117,829.32 = 50,919.33/x
  3. Step 3: Cross multiply
    85,372.39x = 117,829.32 × 50,919.33
  4. Step 4: Simplify right side
    85,372.39x = 5,999,790,028.76
  5. Step 5: Solve for x
    x = 5,999,790,028.76/85,372.39
  6. Step 6: Final answer
    x = 70,277.88

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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.