Home / 77,647.74-116,388.56-40,170.07

Finding the Fourth Proportional to 77,647.74, 116,388.56 and 40,170.07

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Solution

The fourth proportional to 77,647.74, 116,388.56 and 40,170.07 is: 60,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,647.74 : 116,388.56 = 40,170.07 : x
  2. Step 2: Convert to fraction form
    77,647.74/116,388.56 = 40,170.07/x
  3. Step 3: Cross multiply
    77,647.74x = 116,388.56 × 40,170.07
  4. Step 4: Simplify right side
    77,647.74x = 4,675,336,401.55
  5. Step 5: Solve for x
    x = 4,675,336,401.55/77,647.74
  6. Step 6: Final answer
    x = 60,212.14

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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.