Home / 117,640.23-162,340.25-63,923.46

Finding the Fourth Proportional to 117,640.23, 162,340.25 and 63,923.46

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Solution

The fourth proportional to 117,640.23, 162,340.25 and 63,923.46 is: 88,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.23 : 162,340.25 = 63,923.46 : x
  2. Step 2: Convert to fraction form
    117,640.23/162,340.25 = 63,923.46/x
  3. Step 3: Cross multiply
    117,640.23x = 162,340.25 × 63,923.46
  4. Step 4: Simplify right side
    117,640.23x = 10,377,350,157.65
  5. Step 5: Solve for x
    x = 10,377,350,157.65/117,640.23
  6. Step 6: Final answer
    x = 88,212.60

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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.