Home / 47,174.96-70,763.00-18,718.90

Finding the Fourth Proportional to 47,174.96, 70,763.00 and 18,718.90

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Solution

The fourth proportional to 47,174.96, 70,763.00 and 18,718.90 is: 28,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174.96 : 70,763.00 = 18,718.90 : x
  2. Step 2: Convert to fraction form
    47,174.96/70,763.00 = 18,718.90/x
  3. Step 3: Cross multiply
    47,174.96x = 70,763.00 × 18,718.90
  4. Step 4: Simplify right side
    47,174.96x = 1,324,605,434.46
  5. Step 5: Solve for x
    x = 1,324,605,434.46/47,174.96
  6. Step 6: Final answer
    x = 28,078.57

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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.