Home / 83,414.36-115,107.36-45,681.32

Finding the Fourth Proportional to 83,414.36, 115,107.36 and 45,681.32

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Solution

The fourth proportional to 83,414.36, 115,107.36 and 45,681.32 is: 63,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414.36 : 115,107.36 = 45,681.32 : x
  2. Step 2: Convert to fraction form
    83,414.36/115,107.36 = 45,681.32/x
  3. Step 3: Cross multiply
    83,414.36x = 115,107.36 × 45,681.32
  4. Step 4: Simplify right side
    83,414.36x = 5,258,256,146.52
  5. Step 5: Solve for x
    x = 5,258,256,146.52/83,414.36
  6. Step 6: Final answer
    x = 63,037.78

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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.