Home / 66,825.41-100,206.77-38,753.46

Finding the Fourth Proportional to 66,825.41, 100,206.77 and 38,753.46

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Solution

The fourth proportional to 66,825.41, 100,206.77 and 38,753.46 is: 58,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.41 : 100,206.77 = 38,753.46 : x
  2. Step 2: Convert to fraction form
    66,825.41/100,206.77 = 38,753.46/x
  3. Step 3: Cross multiply
    66,825.41x = 100,206.77 × 38,753.46
  4. Step 4: Simplify right side
    66,825.41x = 3,883,358,859.16
  5. Step 5: Solve for x
    x = 3,883,358,859.16/66,825.41
  6. Step 6: Final answer
    x = 58,112.01

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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.