Home / 45,742.48-68,613.56-30,046.64

Finding the Fourth Proportional to 45,742.48, 68,613.56 and 30,046.64

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Solution

The fourth proportional to 45,742.48, 68,613.56 and 30,046.64 is: 45,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.48 : 68,613.56 = 30,046.64 : x
  2. Step 2: Convert to fraction form
    45,742.48/68,613.56 = 30,046.64/x
  3. Step 3: Cross multiply
    45,742.48x = 68,613.56 × 30,046.64
  4. Step 4: Simplify right side
    45,742.48x = 2,061,606,936.44
  5. Step 5: Solve for x
    x = 2,061,606,936.44/45,742.48
  6. Step 6: Final answer
    x = 45,069.85

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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.