Home / 84,742.53-116,944.66-47,016.78

Finding the Fourth Proportional to 84,742.53, 116,944.66 and 47,016.78

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Solution

The fourth proportional to 84,742.53, 116,944.66 and 47,016.78 is: 64,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.53 : 116,944.66 = 47,016.78 : x
  2. Step 2: Convert to fraction form
    84,742.53/116,944.66 = 47,016.78/x
  3. Step 3: Cross multiply
    84,742.53x = 116,944.66 × 47,016.78
  4. Step 4: Simplify right side
    84,742.53x = 5,498,361,351.39
  5. Step 5: Solve for x
    x = 5,498,361,351.39/84,742.53
  6. Step 6: Final answer
    x = 64,883.14

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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.