Home / 117,700.41-162,429.75-63,989.04

Finding the Fourth Proportional to 117,700.41, 162,429.75 and 63,989.04

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Solution

The fourth proportional to 117,700.41, 162,429.75 and 63,989.04 is: 88,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,700.41 : 162,429.75 = 63,989.04 : x
  2. Step 2: Convert to fraction form
    117,700.41/162,429.75 = 63,989.04/x
  3. Step 3: Cross multiply
    117,700.41x = 162,429.75 × 63,989.04
  4. Step 4: Simplify right side
    117,700.41x = 10,393,723,769.94
  5. Step 5: Solve for x
    x = 10,393,723,769.94/117,700.41
  6. Step 6: Final answer
    x = 88,306.61

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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.