Home / 77,738.54-116,603.16-45,735.59

Finding the Fourth Proportional to 77,738.54, 116,603.16 and 45,735.59

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Solution

The fourth proportional to 77,738.54, 116,603.16 and 45,735.59 is: 68,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,738.54 : 116,603.16 = 45,735.59 : x
  2. Step 2: Convert to fraction form
    77,738.54/116,603.16 = 45,735.59/x
  3. Step 3: Cross multiply
    77,738.54x = 116,603.16 × 45,735.59
  4. Step 4: Simplify right side
    77,738.54x = 5,332,914,318.46
  5. Step 5: Solve for x
    x = 5,332,914,318.46/77,738.54
  6. Step 6: Final answer
    x = 68,600.65

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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.