Home / 117,516.30-162,165.90-68,472.84

Finding the Fourth Proportional to 117,516.30, 162,165.90 and 68,472.84

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Solution

The fourth proportional to 117,516.30, 162,165.90 and 68,472.84 is: 94,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.30 : 162,165.90 = 68,472.84 : x
  2. Step 2: Convert to fraction form
    117,516.30/162,165.90 = 68,472.84/x
  3. Step 3: Cross multiply
    117,516.30x = 162,165.90 × 68,472.84
  4. Step 4: Simplify right side
    117,516.30x = 11,103,959,724.16
  5. Step 5: Solve for x
    x = 11,103,959,724.16/117,516.30
  6. Step 6: Final answer
    x = 94,488.68

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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.