Home / 82,882.11-124,322.24-49,611.46

Finding the Fourth Proportional to 82,882.11, 124,322.24 and 49,611.46

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Solution

The fourth proportional to 82,882.11, 124,322.24 and 49,611.46 is: 74,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.11 : 124,322.24 = 49,611.46 : x
  2. Step 2: Convert to fraction form
    82,882.11/124,322.24 = 49,611.46/x
  3. Step 3: Cross multiply
    82,882.11x = 124,322.24 × 49,611.46
  4. Step 4: Simplify right side
    82,882.11x = 6,167,807,836.87
  5. Step 5: Solve for x
    x = 6,167,807,836.87/82,882.11
  6. Step 6: Final answer
    x = 74,416.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.