Home / 45,725.70-68,734.35-43,101.30

Finding the Fourth Proportional to 45,725.70, 68,734.35 and 43,101.30

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Solution

The fourth proportional to 45,725.70, 68,734.35 and 43,101.30 is: 64,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,725.70 : 68,734.35 = 43,101.30 : x
  2. Step 2: Convert to fraction form
    45,725.70/68,734.35 = 43,101.30/x
  3. Step 3: Cross multiply
    45,725.70x = 68,734.35 × 43,101.30
  4. Step 4: Simplify right side
    45,725.70x = 2,962,539,839.66
  5. Step 5: Solve for x
    x = 2,962,539,839.66/45,725.70
  6. Step 6: Final answer
    x = 64,789.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.