Home / 48,613.70-72,911.55-13,546.10

Finding the Fourth Proportional to 48,613.70, 72,911.55 and 13,546.10

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Solution

The fourth proportional to 48,613.70, 72,911.55 and 13,546.10 is: 20,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,613.70 : 72,911.55 = 13,546.10 : x
  2. Step 2: Convert to fraction form
    48,613.70/72,911.55 = 13,546.10/x
  3. Step 3: Cross multiply
    48,613.70x = 72,911.55 × 13,546.10
  4. Step 4: Simplify right side
    48,613.70x = 987,667,147.46
  5. Step 5: Solve for x
    x = 987,667,147.46/48,613.70
  6. Step 6: Final answer
    x = 20,316.64

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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.