Home / 69,626.88-104,440.32-40,089.60

Finding the Fourth Proportional to 69,626.88, 104,440.32 and 40,089.60

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Solution

The fourth proportional to 69,626.88, 104,440.32 and 40,089.60 is: 60,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,626.88 : 104,440.32 = 40,089.60 : x
  2. Step 2: Convert to fraction form
    69,626.88/104,440.32 = 40,089.60/x
  3. Step 3: Cross multiply
    69,626.88x = 104,440.32 × 40,089.60
  4. Step 4: Simplify right side
    69,626.88x = 4,186,970,652.67
  5. Step 5: Solve for x
    x = 4,186,970,652.67/69,626.88
  6. Step 6: Final answer
    x = 60,134.40

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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.