Home / 85,765.14-118,355.86-52,231.14

Finding the Fourth Proportional to 85,765.14, 118,355.86 and 52,231.14

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Solution

The fourth proportional to 85,765.14, 118,355.86 and 52,231.14 is: 72,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,765.14 : 118,355.86 = 52,231.14 : x
  2. Step 2: Convert to fraction form
    85,765.14/118,355.86 = 52,231.14/x
  3. Step 3: Cross multiply
    85,765.14x = 118,355.86 × 52,231.14
  4. Step 4: Simplify right side
    85,765.14x = 6,181,861,493.48
  5. Step 5: Solve for x
    x = 6,181,861,493.48/85,765.14
  6. Step 6: Final answer
    x = 72,078.95

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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.