Home / 47,383.38-71,082.09-15,783.12

Finding the Fourth Proportional to 47,383.38, 71,082.09 and 15,783.12

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Solution

The fourth proportional to 47,383.38, 71,082.09 and 15,783.12 is: 23,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,383.38 : 71,082.09 = 15,783.12 : x
  2. Step 2: Convert to fraction form
    47,383.38/71,082.09 = 15,783.12/x
  3. Step 3: Cross multiply
    47,383.38x = 71,082.09 × 15,783.12
  4. Step 4: Simplify right side
    47,383.38x = 1,121,897,156.32
  5. Step 5: Solve for x
    x = 1,121,897,156.32/47,383.38
  6. Step 6: Final answer
    x = 23,677.02

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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.