Home / 45,491.14-68,212.95-14,318.02

Finding the Fourth Proportional to 45,491.14, 68,212.95 and 14,318.02

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Solution

The fourth proportional to 45,491.14, 68,212.95 and 14,318.02 is: 21,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.14 : 68,212.95 = 14,318.02 : x
  2. Step 2: Convert to fraction form
    45,491.14/68,212.95 = 14,318.02/x
  3. Step 3: Cross multiply
    45,491.14x = 68,212.95 × 14,318.02
  4. Step 4: Simplify right side
    45,491.14x = 976,674,382.36
  5. Step 5: Solve for x
    x = 976,674,382.36/45,491.14
  6. Step 6: Final answer
    x = 21,469.55

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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.