Home / 43,143.01-64,687.71-18,170.20

Finding the Fourth Proportional to 43,143.01, 64,687.71 and 18,170.20

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Solution

The fourth proportional to 43,143.01, 64,687.71 and 18,170.20 is: 27,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.01 : 64,687.71 = 18,170.20 : x
  2. Step 2: Convert to fraction form
    43,143.01/64,687.71 = 18,170.20/x
  3. Step 3: Cross multiply
    43,143.01x = 64,687.71 × 18,170.20
  4. Step 4: Simplify right side
    43,143.01x = 1,175,388,628.24
  5. Step 5: Solve for x
    x = 1,175,388,628.24/43,143.01
  6. Step 6: Final answer
    x = 27,244.01

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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.