Home / 82,291.62-113,564.62-50,478.06

Finding the Fourth Proportional to 82,291.62, 113,564.62 and 50,478.06

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Solution

The fourth proportional to 82,291.62, 113,564.62 and 50,478.06 is: 69,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.62 : 113,564.62 = 50,478.06 : x
  2. Step 2: Convert to fraction form
    82,291.62/113,564.62 = 50,478.06/x
  3. Step 3: Cross multiply
    82,291.62x = 113,564.62 × 50,478.06
  4. Step 4: Simplify right side
    82,291.62x = 5,732,521,702.24
  5. Step 5: Solve for x
    x = 5,732,521,702.24/82,291.62
  6. Step 6: Final answer
    x = 69,661.06

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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.