Home / 84,371.83-116,399.64-48,542.56

Finding the Fourth Proportional to 84,371.83, 116,399.64 and 48,542.56

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Solution

The fourth proportional to 84,371.83, 116,399.64 and 48,542.56 is: 66,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,371.83 : 116,399.64 = 48,542.56 : x
  2. Step 2: Convert to fraction form
    84,371.83/116,399.64 = 48,542.56/x
  3. Step 3: Cross multiply
    84,371.83x = 116,399.64 × 48,542.56
  4. Step 4: Simplify right side
    84,371.83x = 5,650,336,508.68
  5. Step 5: Solve for x
    x = 5,650,336,508.68/84,371.83
  6. Step 6: Final answer
    x = 66,969.47

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1.5x scale

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.