Home / 82,882.05-124,322.15-49,611.40

Finding the Fourth Proportional to 82,882.05, 124,322.15 and 49,611.40

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Solution

The fourth proportional to 82,882.05, 124,322.15 and 49,611.40 is: 74,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.05 : 124,322.15 = 49,611.40 : x
  2. Step 2: Convert to fraction form
    82,882.05/124,322.15 = 49,611.40/x
  3. Step 3: Cross multiply
    82,882.05x = 124,322.15 × 49,611.40
  4. Step 4: Simplify right side
    82,882.05x = 6,167,795,912.51
  5. Step 5: Solve for x
    x = 6,167,795,912.51/82,882.05
  6. Step 6: Final answer
    x = 74,416.55

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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.