Home / 45,344.18-68,016.43-13,754.51

Finding the Fourth Proportional to 45,344.18, 68,016.43 and 13,754.51

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Solution

The fourth proportional to 45,344.18, 68,016.43 and 13,754.51 is: 20,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.18 : 68,016.43 = 13,754.51 : x
  2. Step 2: Convert to fraction form
    45,344.18/68,016.43 = 13,754.51/x
  3. Step 3: Cross multiply
    45,344.18x = 68,016.43 × 13,754.51
  4. Step 4: Simplify right side
    45,344.18x = 935,532,962.02
  5. Step 5: Solve for x
    x = 935,532,962.02/45,344.18
  6. Step 6: Final answer
    x = 20,631.82

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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.