Home / 86,508.92-119,382.72-50,699.18

Finding the Fourth Proportional to 86,508.92, 119,382.72 and 50,699.18

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Solution

The fourth proportional to 86,508.92, 119,382.72 and 50,699.18 is: 69,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508.92 : 119,382.72 = 50,699.18 : x
  2. Step 2: Convert to fraction form
    86,508.92/119,382.72 = 50,699.18/x
  3. Step 3: Cross multiply
    86,508.92x = 119,382.72 × 50,699.18
  4. Step 4: Simplify right side
    86,508.92x = 6,052,606,010.17
  5. Step 5: Solve for x
    x = 6,052,606,010.17/86,508.92
  6. Step 6: Final answer
    x = 69,965.11

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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.