Home / 48,189.09-66,531.13-30,968.44

Finding the Fourth Proportional to 48,189.09, 66,531.13 and 30,968.44

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Solution

The fourth proportional to 48,189.09, 66,531.13 and 30,968.44 is: 42,755.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189.09 : 66,531.13 = 30,968.44 : x
  2. Step 2: Convert to fraction form
    48,189.09/66,531.13 = 30,968.44/x
  3. Step 3: Cross multiply
    48,189.09x = 66,531.13 × 30,968.44
  4. Step 4: Simplify right side
    48,189.09x = 2,060,365,001.42
  5. Step 5: Solve for x
    x = 2,060,365,001.42/48,189.09
  6. Step 6: Final answer
    x = 42,755.84

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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.