Home / 47,406.46-71,109.78-12,346.06

Finding the Fourth Proportional to 47,406.46, 71,109.78 and 12,346.06

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Solution

The fourth proportional to 47,406.46, 71,109.78 and 12,346.06 is: 18,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,406.46 : 71,109.78 = 12,346.06 : x
  2. Step 2: Convert to fraction form
    47,406.46/71,109.78 = 12,346.06/x
  3. Step 3: Cross multiply
    47,406.46x = 71,109.78 × 12,346.06
  4. Step 4: Simplify right side
    47,406.46x = 877,925,610.47
  5. Step 5: Solve for x
    x = 877,925,610.47/47,406.46
  6. Step 6: Final answer
    x = 18,519.11

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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.