Home / 45,545.26-68,319.94-13,953.02

Finding the Fourth Proportional to 45,545.26, 68,319.94 and 13,953.02

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Solution

The fourth proportional to 45,545.26, 68,319.94 and 13,953.02 is: 20,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.26 : 68,319.94 = 13,953.02 : x
  2. Step 2: Convert to fraction form
    45,545.26/68,319.94 = 13,953.02/x
  3. Step 3: Cross multiply
    45,545.26x = 68,319.94 × 13,953.02
  4. Step 4: Simplify right side
    45,545.26x = 953,269,489.22
  5. Step 5: Solve for x
    x = 953,269,489.22/45,545.26
  6. Step 6: Final answer
    x = 20,930.16

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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.