Home / 82,861.14-114,347.79-45,135.39

Finding the Fourth Proportional to 82,861.14, 114,347.79 and 45,135.39

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Solution

The fourth proportional to 82,861.14, 114,347.79 and 45,135.39 is: 62,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.14 : 114,347.79 = 45,135.39 : x
  2. Step 2: Convert to fraction form
    82,861.14/114,347.79 = 45,135.39/x
  3. Step 3: Cross multiply
    82,861.14x = 114,347.79 × 45,135.39
  4. Step 4: Simplify right side
    82,861.14x = 5,161,132,097.29
  5. Step 5: Solve for x
    x = 5,161,132,097.29/82,861.14
  6. Step 6: Final answer
    x = 62,286.52

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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.