Home / 85,747.68-118,331.82-48,022.20

Finding the Fourth Proportional to 85,747.68, 118,331.82 and 48,022.20

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Solution

The fourth proportional to 85,747.68, 118,331.82 and 48,022.20 is: 66,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,747.68 : 118,331.82 = 48,022.20 : x
  2. Step 2: Convert to fraction form
    85,747.68/118,331.82 = 48,022.20/x
  3. Step 3: Cross multiply
    85,747.68x = 118,331.82 × 48,022.20
  4. Step 4: Simplify right side
    85,747.68x = 5,682,554,326.40
  5. Step 5: Solve for x
    x = 5,682,554,326.40/85,747.68
  6. Step 6: Final answer
    x = 66,270.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.