Home / 83,541.81-115,286.19-47,242.69

Finding the Fourth Proportional to 83,541.81, 115,286.19 and 47,242.69

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Solution

The fourth proportional to 83,541.81, 115,286.19 and 47,242.69 is: 65,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,541.81 : 115,286.19 = 47,242.69 : x
  2. Step 2: Convert to fraction form
    83,541.81/115,286.19 = 47,242.69/x
  3. Step 3: Cross multiply
    83,541.81x = 115,286.19 × 47,242.69
  4. Step 4: Simplify right side
    83,541.81x = 5,446,429,918.56
  5. Step 5: Solve for x
    x = 5,446,429,918.56/83,541.81
  6. Step 6: Final answer
    x = 65,194.07

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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.