Home / 47,169.92-70,730.54-13,885.66

Finding the Fourth Proportional to 47,169.92, 70,730.54 and 13,885.66

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Solution

The fourth proportional to 47,169.92, 70,730.54 and 13,885.66 is: 20,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,169.92 : 70,730.54 = 13,885.66 : x
  2. Step 2: Convert to fraction form
    47,169.92/70,730.54 = 13,885.66/x
  3. Step 3: Cross multiply
    47,169.92x = 70,730.54 × 13,885.66
  4. Step 4: Simplify right side
    47,169.92x = 982,140,230.06
  5. Step 5: Solve for x
    x = 982,140,230.06/47,169.92
  6. Step 6: Final answer
    x = 20,821.32

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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.