Home / 85,236.05-127,872.52-32,645.53

Finding the Fourth Proportional to 85,236.05, 127,872.52 and 32,645.53

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Solution

The fourth proportional to 85,236.05, 127,872.52 and 32,645.53 is: 48,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.05 : 127,872.52 = 32,645.53 : x
  2. Step 2: Convert to fraction form
    85,236.05/127,872.52 = 32,645.53/x
  3. Step 3: Cross multiply
    85,236.05x = 127,872.52 × 32,645.53
  4. Step 4: Simplify right side
    85,236.05x = 4,174,466,449.69
  5. Step 5: Solve for x
    x = 4,174,466,449.69/85,236.05
  6. Step 6: Final answer
    x = 48,975.36

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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.