Home / 84,768.26-116,967.21-50,768.78

Finding the Fourth Proportional to 84,768.26, 116,967.21 and 50,768.78

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Solution

The fourth proportional to 84,768.26, 116,967.21 and 50,768.78 is: 70,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,768.26 : 116,967.21 = 50,768.78 : x
  2. Step 2: Convert to fraction form
    84,768.26/116,967.21 = 50,768.78/x
  3. Step 3: Cross multiply
    84,768.26x = 116,967.21 × 50,768.78
  4. Step 4: Simplify right side
    84,768.26x = 5,938,282,551.70
  5. Step 5: Solve for x
    x = 5,938,282,551.70/84,768.26
  6. Step 6: Final answer
    x = 70,053.14

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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.