Home / 77,993.03-116,997.75-25,406.62

Finding the Fourth Proportional to 77,993.03, 116,997.75 and 25,406.62

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Solution

The fourth proportional to 77,993.03, 116,997.75 and 25,406.62 is: 38,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,993.03 : 116,997.75 = 25,406.62 : x
  2. Step 2: Convert to fraction form
    77,993.03/116,997.75 = 25,406.62/x
  3. Step 3: Cross multiply
    77,993.03x = 116,997.75 × 25,406.62
  4. Step 4: Simplify right side
    77,993.03x = 2,972,517,082.61
  5. Step 5: Solve for x
    x = 2,972,517,082.61/77,993.03
  6. Step 6: Final answer
    x = 38,112.60

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1.5x scale

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.