Home / 82,939.14-114,455.43-45,213.66

Finding the Fourth Proportional to 82,939.14, 114,455.43 and 45,213.66

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Solution

The fourth proportional to 82,939.14, 114,455.43 and 45,213.66 is: 62,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.14 : 114,455.43 = 45,213.66 : x
  2. Step 2: Convert to fraction form
    82,939.14/114,455.43 = 45,213.66/x
  3. Step 3: Cross multiply
    82,939.14x = 114,455.43 × 45,213.66
  4. Step 4: Simplify right side
    82,939.14x = 5,174,948,897.17
  5. Step 5: Solve for x
    x = 5,174,948,897.17/82,939.14
  6. Step 6: Final answer
    x = 62,394.53

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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.