Home / 86,285.38-119,081.87-50,473.12

Finding the Fourth Proportional to 86,285.38, 119,081.87 and 50,473.12

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Solution

The fourth proportional to 86,285.38, 119,081.87 and 50,473.12 is: 69,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,285.38 : 119,081.87 = 50,473.12 : x
  2. Step 2: Convert to fraction form
    86,285.38/119,081.87 = 50,473.12/x
  3. Step 3: Cross multiply
    86,285.38x = 119,081.87 × 50,473.12
  4. Step 4: Simplify right side
    86,285.38x = 6,010,433,261.97
  5. Step 5: Solve for x
    x = 6,010,433,261.97/86,285.38
  6. Step 6: Final answer
    x = 69,657.61

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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.