Home / 84,126.88-116,087.61-48,313.54

Finding the Fourth Proportional to 84,126.88, 116,087.61 and 48,313.54

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Solution

The fourth proportional to 84,126.88, 116,087.61 and 48,313.54 is: 66,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,126.88 : 116,087.61 = 48,313.54 : x
  2. Step 2: Convert to fraction form
    84,126.88/116,087.61 = 48,313.54/x
  3. Step 3: Cross multiply
    84,126.88x = 116,087.61 × 48,313.54
  4. Step 4: Simplify right side
    84,126.88x = 5,608,603,389.24
  5. Step 5: Solve for x
    x = 5,608,603,389.24/84,126.88
  6. Step 6: Final answer
    x = 66,668.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.