Home / 86,633.88-119,561.70-68,875.44

Finding the Fourth Proportional to 86,633.88, 119,561.70 and 68,875.44

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Solution

The fourth proportional to 86,633.88, 119,561.70 and 68,875.44 is: 95,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,633.88 : 119,561.70 = 68,875.44 : x
  2. Step 2: Convert to fraction form
    86,633.88/119,561.70 = 68,875.44/x
  3. Step 3: Cross multiply
    86,633.88x = 119,561.70 × 68,875.44
  4. Step 4: Simplify right side
    86,633.88x = 8,234,864,694.65
  5. Step 5: Solve for x
    x = 8,234,864,694.65/86,633.88
  6. Step 6: Final answer
    x = 95,053.63

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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.