Home / 45,326.39-67,983.71-12,049.16

Finding the Fourth Proportional to 45,326.39, 67,983.71 and 12,049.16

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Solution

The fourth proportional to 45,326.39, 67,983.71 and 12,049.16 is: 18,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.39 : 67,983.71 = 12,049.16 : x
  2. Step 2: Convert to fraction form
    45,326.39/67,983.71 = 12,049.16/x
  3. Step 3: Cross multiply
    45,326.39x = 67,983.71 × 12,049.16
  4. Step 4: Simplify right side
    45,326.39x = 819,146,199.02
  5. Step 5: Solve for x
    x = 819,146,199.02/45,326.39
  6. Step 6: Final answer
    x = 18,072.17

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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.