Home / 86,187.29-118,936.17-47,944.85

Finding the Fourth Proportional to 86,187.29, 118,936.17 and 47,944.85

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Solution

The fourth proportional to 86,187.29, 118,936.17 and 47,944.85 is: 66,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,187.29 : 118,936.17 = 47,944.85 : x
  2. Step 2: Convert to fraction form
    86,187.29/118,936.17 = 47,944.85/x
  3. Step 3: Cross multiply
    86,187.29x = 118,936.17 × 47,944.85
  4. Step 4: Simplify right side
    86,187.29x = 5,702,376,235.54
  5. Step 5: Solve for x
    x = 5,702,376,235.54/86,187.29
  6. Step 6: Final answer
    x = 66,162.62

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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.