Home / 45,137.62-67,717.37-13,547.62

Finding the Fourth Proportional to 45,137.62, 67,717.37 and 13,547.62

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Solution

The fourth proportional to 45,137.62, 67,717.37 and 13,547.62 is: 20,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,137.62 : 67,717.37 = 13,547.62 : x
  2. Step 2: Convert to fraction form
    45,137.62/67,717.37 = 13,547.62/x
  3. Step 3: Cross multiply
    45,137.62x = 67,717.37 × 13,547.62
  4. Step 4: Simplify right side
    45,137.62x = 917,409,196.16
  5. Step 5: Solve for x
    x = 917,409,196.16/45,137.62
  6. Step 6: Final answer
    x = 20,324.71

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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.