Home / 117,619.24-176,428.50-47,497.72

Finding the Fourth Proportional to 117,619.24, 176,428.50 and 47,497.72

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Solution

The fourth proportional to 117,619.24, 176,428.50 and 47,497.72 is: 71,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.24 : 176,428.50 = 47,497.72 : x
  2. Step 2: Convert to fraction form
    117,619.24/176,428.50 = 47,497.72/x
  3. Step 3: Cross multiply
    117,619.24x = 176,428.50 × 47,497.72
  4. Step 4: Simplify right side
    117,619.24x = 8,379,951,493.02
  5. Step 5: Solve for x
    x = 8,379,951,493.02/117,619.24
  6. Step 6: Final answer
    x = 71,246.43

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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.