Home / 47,142.54-70,667.10-22,137.83

Finding the Fourth Proportional to 47,142.54, 70,667.10 and 22,137.83

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Solution

The fourth proportional to 47,142.54, 70,667.10 and 22,137.83 is: 33,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,142.54 : 70,667.10 = 22,137.83 : x
  2. Step 2: Convert to fraction form
    47,142.54/70,667.10 = 22,137.83/x
  3. Step 3: Cross multiply
    47,142.54x = 70,667.10 × 22,137.83
  4. Step 4: Simplify right side
    47,142.54x = 1,564,416,158.06
  5. Step 5: Solve for x
    x = 1,564,416,158.06/47,142.54
  6. Step 6: Final answer
    x = 33,184.81

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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.