Home / 105,823.68-146,037.78-58,080.12

Finding the Fourth Proportional to 105,823.68, 146,037.78 and 58,080.12

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Solution

The fourth proportional to 105,823.68, 146,037.78 and 58,080.12 is: 80,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.68 : 146,037.78 = 58,080.12 : x
  2. Step 2: Convert to fraction form
    105,823.68/146,037.78 = 58,080.12/x
  3. Step 3: Cross multiply
    105,823.68x = 146,037.78 × 58,080.12
  4. Step 4: Simplify right side
    105,823.68x = 8,481,891,786.93
  5. Step 5: Solve for x
    x = 8,481,891,786.93/105,823.68
  6. Step 6: Final answer
    x = 80,151.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.