Home / 83,469.06-115,184.97-45,742.50

Finding the Fourth Proportional to 83,469.06, 115,184.97 and 45,742.50

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Solution

The fourth proportional to 83,469.06, 115,184.97 and 45,742.50 is: 63,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,469.06 : 115,184.97 = 45,742.50 : x
  2. Step 2: Convert to fraction form
    83,469.06/115,184.97 = 45,742.50/x
  3. Step 3: Cross multiply
    83,469.06x = 115,184.97 × 45,742.50
  4. Step 4: Simplify right side
    83,469.06x = 5,268,848,490.23
  5. Step 5: Solve for x
    x = 5,268,848,490.23/83,469.06
  6. Step 6: Final answer
    x = 63,123.37

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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.