Home / 124,732.08-186,981.48-45,825.12

Finding the Fourth Proportional to 124,732.08, 186,981.48 and 45,825.12

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Solution

The fourth proportional to 124,732.08, 186,981.48 and 45,825.12 is: 68,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,732.08 : 186,981.48 = 45,825.12 : x
  2. Step 2: Convert to fraction form
    124,732.08/186,981.48 = 45,825.12/x
  3. Step 3: Cross multiply
    124,732.08x = 186,981.48 × 45,825.12
  4. Step 4: Simplify right side
    124,732.08x = 8,568,448,758.78
  5. Step 5: Solve for x
    x = 8,568,448,758.78/124,732.08
  6. Step 6: Final answer
    x = 68,694.83

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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.