Home / 77,650.75-116,393.04-40,173.07

Finding the Fourth Proportional to 77,650.75, 116,393.04 and 40,173.07

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Solution

The fourth proportional to 77,650.75, 116,393.04 and 40,173.07 is: 60,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,650.75 : 116,393.04 = 40,173.07 : x
  2. Step 2: Convert to fraction form
    77,650.75/116,393.04 = 40,173.07/x
  3. Step 3: Cross multiply
    77,650.75x = 116,393.04 × 40,173.07
  4. Step 4: Simplify right side
    77,650.75x = 4,675,865,743.43
  5. Step 5: Solve for x
    x = 4,675,865,743.43/77,650.75
  6. Step 6: Final answer
    x = 60,216.62

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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.