Home / 86,500.82-119,382.93-50,705.10

Finding the Fourth Proportional to 86,500.82, 119,382.93 and 50,705.10

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Solution

The fourth proportional to 86,500.82, 119,382.93 and 50,705.10 is: 69,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.82 : 119,382.93 = 50,705.10 : x
  2. Step 2: Convert to fraction form
    86,500.82/119,382.93 = 50,705.10/x
  3. Step 3: Cross multiply
    86,500.82x = 119,382.93 × 50,705.10
  4. Step 4: Simplify right side
    86,500.82x = 6,053,323,403.94
  5. Step 5: Solve for x
    x = 6,053,323,403.94/86,500.82
  6. Step 6: Final answer
    x = 69,979.95

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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.