Home / 118,049.43-162,889.73-66,356.30

Finding the Fourth Proportional to 118,049.43, 162,889.73 and 66,356.30

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Solution

The fourth proportional to 118,049.43, 162,889.73 and 66,356.30 is: 91,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,049.43 : 162,889.73 = 66,356.30 : x
  2. Step 2: Convert to fraction form
    118,049.43/162,889.73 = 66,356.30/x
  3. Step 3: Cross multiply
    118,049.43x = 162,889.73 × 66,356.30
  4. Step 4: Simplify right side
    118,049.43x = 10,808,758,644.57
  5. Step 5: Solve for x
    x = 10,808,758,644.57/118,049.43
  6. Step 6: Final answer
    x = 91,561.29

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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.