Home / 85,168.18-127,767.66-35,221.15

Finding the Fourth Proportional to 85,168.18, 127,767.66 and 35,221.15

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Solution

The fourth proportional to 85,168.18, 127,767.66 and 35,221.15 is: 52,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168.18 : 127,767.66 = 35,221.15 : x
  2. Step 2: Convert to fraction form
    85,168.18/127,767.66 = 35,221.15/x
  3. Step 3: Cross multiply
    85,168.18x = 127,767.66 × 35,221.15
  4. Step 4: Simplify right side
    85,168.18x = 4,500,123,918.01
  5. Step 5: Solve for x
    x = 4,500,123,918.01/85,168.18
  6. Step 6: Final answer
    x = 52,838.09

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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.