Home / 67,861.43-101,742.93-45,619.64

Finding the Fourth Proportional to 67,861.43, 101,742.93 and 45,619.64

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Solution

The fourth proportional to 67,861.43, 101,742.93 and 45,619.64 is: 68,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,861.43 : 101,742.93 = 45,619.64 : x
  2. Step 2: Convert to fraction form
    67,861.43/101,742.93 = 45,619.64/x
  3. Step 3: Cross multiply
    67,861.43x = 101,742.93 × 45,619.64
  4. Step 4: Simplify right side
    67,861.43x = 4,641,475,330.43
  5. Step 5: Solve for x
    x = 4,641,475,330.43/67,861.43
  6. Step 6: Final answer
    x = 68,396.37

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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.