Home / 82,882.16-124,322.31-49,611.51

Finding the Fourth Proportional to 82,882.16, 124,322.31 and 49,611.51

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Solution

The fourth proportional to 82,882.16, 124,322.31 and 49,611.51 is: 74,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,882.16 : 124,322.31 = 49,611.51 : x
  2. Step 2: Convert to fraction form
    82,882.16/124,322.31 = 49,611.51/x
  3. Step 3: Cross multiply
    82,882.16x = 124,322.31 × 49,611.51
  4. Step 4: Simplify right side
    82,882.16x = 6,167,817,525.79
  5. Step 5: Solve for x
    x = 6,167,817,525.79/82,882.16
  6. Step 6: Final answer
    x = 74,416.71

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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.