Home / 47,912.56-66,116.46-26,688.04

Finding the Fourth Proportional to 47,912.56, 66,116.46 and 26,688.04

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Solution

The fourth proportional to 47,912.56, 66,116.46 and 26,688.04 is: 36,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.56 : 66,116.46 = 26,688.04 : x
  2. Step 2: Convert to fraction form
    47,912.56/66,116.46 = 26,688.04/x
  3. Step 3: Cross multiply
    47,912.56x = 66,116.46 × 26,688.04
  4. Step 4: Simplify right side
    47,912.56x = 1,764,518,729.14
  5. Step 5: Solve for x
    x = 1,764,518,729.14/47,912.56
  6. Step 6: Final answer
    x = 36,827.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.