Home / 86,431.46-119,286.27-50,635.13

Finding the Fourth Proportional to 86,431.46, 119,286.27 and 50,635.13

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Solution

The fourth proportional to 86,431.46, 119,286.27 and 50,635.13 is: 69,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.46 : 119,286.27 = 50,635.13 : x
  2. Step 2: Convert to fraction form
    86,431.46/119,286.27 = 50,635.13/x
  3. Step 3: Cross multiply
    86,431.46x = 119,286.27 × 50,635.13
  4. Step 4: Simplify right side
    86,431.46x = 6,040,075,192.23
  5. Step 5: Solve for x
    x = 6,040,075,192.23/86,431.46
  6. Step 6: Final answer
    x = 69,882.84

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1.5x scale

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.