Home / 84,015.36-115,944.18-48,212.64

Finding the Fourth Proportional to 84,015.36, 115,944.18 and 48,212.64

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Solution

The fourth proportional to 84,015.36, 115,944.18 and 48,212.64 is: 66,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.36 : 115,944.18 = 48,212.64 : x
  2. Step 2: Convert to fraction form
    84,015.36/115,944.18 = 48,212.64/x
  3. Step 3: Cross multiply
    84,015.36x = 115,944.18 × 48,212.64
  4. Step 4: Simplify right side
    84,015.36x = 5,589,975,010.44
  5. Step 5: Solve for x
    x = 5,589,975,010.44/84,015.36
  6. Step 6: Final answer
    x = 66,535.16

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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.