Home / 82,806.54-114,275.07-45,082.86

Finding the Fourth Proportional to 82,806.54, 114,275.07 and 45,082.86

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Solution

The fourth proportional to 82,806.54, 114,275.07 and 45,082.86 is: 62,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,806.54 : 114,275.07 = 45,082.86 : x
  2. Step 2: Convert to fraction form
    82,806.54/114,275.07 = 45,082.86/x
  3. Step 3: Cross multiply
    82,806.54x = 114,275.07 × 45,082.86
  4. Step 4: Simplify right side
    82,806.54x = 5,151,846,982.30
  5. Step 5: Solve for x
    x = 5,151,846,982.30/82,806.54
  6. Step 6: Final answer
    x = 62,215.46

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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.