Home / 43,140.05-64,718.24-16,843.13

Finding the Fourth Proportional to 43,140.05, 64,718.24 and 16,843.13

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Solution

The fourth proportional to 43,140.05, 64,718.24 and 16,843.13 is: 25,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.05 : 64,718.24 = 16,843.13 : x
  2. Step 2: Convert to fraction form
    43,140.05/64,718.24 = 16,843.13/x
  3. Step 3: Cross multiply
    43,140.05x = 64,718.24 × 16,843.13
  4. Step 4: Simplify right side
    43,140.05x = 1,090,057,321.88
  5. Step 5: Solve for x
    x = 1,090,057,321.88/43,140.05
  6. Step 6: Final answer
    x = 25,267.88

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1.5x scale

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.