Home / 82,390.82-113,617.46-62,021.65

Finding the Fourth Proportional to 82,390.82, 113,617.46 and 62,021.65

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Solution

The fourth proportional to 82,390.82, 113,617.46 and 62,021.65 is: 85,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,390.82 : 113,617.46 = 62,021.65 : x
  2. Step 2: Convert to fraction form
    82,390.82/113,617.46 = 62,021.65/x
  3. Step 3: Cross multiply
    82,390.82x = 113,617.46 × 62,021.65
  4. Step 4: Simplify right side
    82,390.82x = 7,046,742,247.62
  5. Step 5: Solve for x
    x = 7,046,742,247.62/82,390.82
  6. Step 6: Final answer
    x = 85,528.24

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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.