Home / 86,605.36-119,489.29-50,299.81

Finding the Fourth Proportional to 86,605.36, 119,489.29 and 50,299.81

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Solution

The fourth proportional to 86,605.36, 119,489.29 and 50,299.81 is: 69,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,605.36 : 119,489.29 = 50,299.81 : x
  2. Step 2: Convert to fraction form
    86,605.36/119,489.29 = 50,299.81/x
  3. Step 3: Cross multiply
    86,605.36x = 119,489.29 × 50,299.81
  4. Step 4: Simplify right side
    86,605.36x = 6,010,288,159.56
  5. Step 5: Solve for x
    x = 6,010,288,159.56/86,605.36
  6. Step 6: Final answer
    x = 69,398.57

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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.