Home / 82,821.78-114,293.70-45,095.22

Finding the Fourth Proportional to 82,821.78, 114,293.70 and 45,095.22

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Solution

The fourth proportional to 82,821.78, 114,293.70 and 45,095.22 is: 62,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,821.78 : 114,293.70 = 45,095.22 : x
  2. Step 2: Convert to fraction form
    82,821.78/114,293.70 = 45,095.22/x
  3. Step 3: Cross multiply
    82,821.78x = 114,293.70 × 45,095.22
  4. Step 4: Simplify right side
    82,821.78x = 5,154,099,546.11
  5. Step 5: Solve for x
    x = 5,154,099,546.11/82,821.78
  6. Step 6: Final answer
    x = 62,231.21

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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.