Home / 66,838.10-100,147.77-40,462.90

Finding the Fourth Proportional to 66,838.10, 100,147.77 and 40,462.90

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Solution

The fourth proportional to 66,838.10, 100,147.77 and 40,462.90 is: 60,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,838.10 : 100,147.77 = 40,462.90 : x
  2. Step 2: Convert to fraction form
    66,838.10/100,147.77 = 40,462.90/x
  3. Step 3: Cross multiply
    66,838.10x = 100,147.77 × 40,462.90
  4. Step 4: Simplify right side
    66,838.10x = 4,052,269,202.73
  5. Step 5: Solve for x
    x = 4,052,269,202.73/66,838.10
  6. Step 6: Final answer
    x = 60,628.13

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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.