Home / 86,286.13-119,082.90-50,473.87

Finding the Fourth Proportional to 86,286.13, 119,082.90 and 50,473.87

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Solution

The fourth proportional to 86,286.13, 119,082.90 and 50,473.87 is: 69,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.13 : 119,082.90 = 50,473.87 : x
  2. Step 2: Convert to fraction form
    86,286.13/119,082.90 = 50,473.87/x
  3. Step 3: Cross multiply
    86,286.13x = 119,082.90 × 50,473.87
  4. Step 4: Simplify right side
    86,286.13x = 6,010,574,813.82
  5. Step 5: Solve for x
    x = 6,010,574,813.82/86,286.13
  6. Step 6: Final answer
    x = 69,658.64

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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.