Home / 66,112.13-99,168.20-16,864.13

Finding the Fourth Proportional to 66,112.13, 99,168.20 and 16,864.13

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Solution

The fourth proportional to 66,112.13, 99,168.20 and 16,864.13 is: 25,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112.13 : 99,168.20 = 16,864.13 : x
  2. Step 2: Convert to fraction form
    66,112.13/99,168.20 = 16,864.13/x
  3. Step 3: Cross multiply
    66,112.13x = 99,168.20 × 16,864.13
  4. Step 4: Simplify right side
    66,112.13x = 1,672,384,836.50
  5. Step 5: Solve for x
    x = 1,672,384,836.50/66,112.13
  6. Step 6: Final answer
    x = 25,296.19

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Similar ratio
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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.