Home / 83,422.36-115,118.58-45,695.80

Finding the Fourth Proportional to 83,422.36, 115,118.58 and 45,695.80

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Solution

The fourth proportional to 83,422.36, 115,118.58 and 45,695.80 is: 63,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.36 : 115,118.58 = 45,695.80 : x
  2. Step 2: Convert to fraction form
    83,422.36/115,118.58 = 45,695.80/x
  3. Step 3: Cross multiply
    83,422.36x = 115,118.58 × 45,695.80
  4. Step 4: Simplify right side
    83,422.36x = 5,260,435,607.96
  5. Step 5: Solve for x
    x = 5,260,435,607.96/83,422.36
  6. Step 6: Final answer
    x = 63,057.86

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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.