Home / 102,786.64-154,161.09-46,613.24

Finding the Fourth Proportional to 102,786.64, 154,161.09 and 46,613.24

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Solution

The fourth proportional to 102,786.64, 154,161.09 and 46,613.24 is: 69,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,786.64 : 154,161.09 = 46,613.24 : x
  2. Step 2: Convert to fraction form
    102,786.64/154,161.09 = 46,613.24/x
  3. Step 3: Cross multiply
    102,786.64x = 154,161.09 × 46,613.24
  4. Step 4: Simplify right side
    102,786.64x = 7,185,947,694.13
  5. Step 5: Solve for x
    x = 7,185,947,694.13/102,786.64
  6. Step 6: Final answer
    x = 69,911.30

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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.