Home / 47,409.46-71,114.28-12,349.06

Finding the Fourth Proportional to 47,409.46, 71,114.28 and 12,349.06

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Solution

The fourth proportional to 47,409.46, 71,114.28 and 12,349.06 is: 18,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.46 : 71,114.28 = 12,349.06 : x
  2. Step 2: Convert to fraction form
    47,409.46/71,114.28 = 12,349.06/x
  3. Step 3: Cross multiply
    47,409.46x = 71,114.28 × 12,349.06
  4. Step 4: Simplify right side
    47,409.46x = 878,194,510.58
  5. Step 5: Solve for x
    x = 878,194,510.58/47,409.46
  6. Step 6: Final answer
    x = 18,523.61

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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.