Home / 86,386.68-119,213.94-50,095.20

Finding the Fourth Proportional to 86,386.68, 119,213.94 and 50,095.20

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Solution

The fourth proportional to 86,386.68, 119,213.94 and 50,095.20 is: 69,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.68 : 119,213.94 = 50,095.20 : x
  2. Step 2: Convert to fraction form
    86,386.68/119,213.94 = 50,095.20/x
  3. Step 3: Cross multiply
    86,386.68x = 119,213.94 × 50,095.20
  4. Step 4: Simplify right side
    86,386.68x = 5,972,046,167.09
  5. Step 5: Solve for x
    x = 5,972,046,167.09/86,386.68
  6. Step 6: Final answer
    x = 69,131.56

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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.