Home / 75,183.38-103,693.20-48,328.64

Finding the Fourth Proportional to 75,183.38, 103,693.20 and 48,328.64

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Solution

The fourth proportional to 75,183.38, 103,693.20 and 48,328.64 is: 66,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,183.38 : 103,693.20 = 48,328.64 : x
  2. Step 2: Convert to fraction form
    75,183.38/103,693.20 = 48,328.64/x
  3. Step 3: Cross multiply
    75,183.38x = 103,693.20 × 48,328.64
  4. Step 4: Simplify right side
    75,183.38x = 5,011,351,333.25
  5. Step 5: Solve for x
    x = 5,011,351,333.25/75,183.38
  6. Step 6: Final answer
    x = 66,655.04

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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.