Home / 69,077.17-103,611.53-40,629.86

Finding the Fourth Proportional to 69,077.17, 103,611.53 and 40,629.86

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Solution

The fourth proportional to 69,077.17, 103,611.53 and 40,629.86 is: 60,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077.17 : 103,611.53 = 40,629.86 : x
  2. Step 2: Convert to fraction form
    69,077.17/103,611.53 = 40,629.86/x
  3. Step 3: Cross multiply
    69,077.17x = 103,611.53 × 40,629.86
  4. Step 4: Simplify right side
    69,077.17x = 4,209,721,237.08
  5. Step 5: Solve for x
    x = 4,209,721,237.08/69,077.17
  6. Step 6: Final answer
    x = 60,942.29

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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.