Home / 82,057.07-113,239.06-51,855.81

Finding the Fourth Proportional to 82,057.07, 113,239.06 and 51,855.81

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Solution

The fourth proportional to 82,057.07, 113,239.06 and 51,855.81 is: 71,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057.07 : 113,239.06 = 51,855.81 : x
  2. Step 2: Convert to fraction form
    82,057.07/113,239.06 = 51,855.81/x
  3. Step 3: Cross multiply
    82,057.07x = 113,239.06 × 51,855.81
  4. Step 4: Simplify right side
    82,057.07x = 5,872,103,050.30
  5. Step 5: Solve for x
    x = 5,872,103,050.30/82,057.07
  6. Step 6: Final answer
    x = 71,561.21

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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.