Home / 66,736.23-100,003.42-29,275.35

Finding the Fourth Proportional to 66,736.23, 100,003.42 and 29,275.35

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Solution

The fourth proportional to 66,736.23, 100,003.42 and 29,275.35 is: 43,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.23 : 100,003.42 = 29,275.35 : x
  2. Step 2: Convert to fraction form
    66,736.23/100,003.42 = 29,275.35/x
  3. Step 3: Cross multiply
    66,736.23x = 100,003.42 × 29,275.35
  4. Step 4: Simplify right side
    66,736.23x = 2,927,635,121.70
  5. Step 5: Solve for x
    x = 2,927,635,121.70/66,736.23
  6. Step 6: Final answer
    x = 43,868.75

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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.