Home / 81,093.96-121,703.58-41,685.48

Finding the Fourth Proportional to 81,093.96, 121,703.58 and 41,685.48

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Solution

The fourth proportional to 81,093.96, 121,703.58 and 41,685.48 is: 62,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,093.96 : 121,703.58 = 41,685.48 : x
  2. Step 2: Convert to fraction form
    81,093.96/121,703.58 = 41,685.48/x
  3. Step 3: Cross multiply
    81,093.96x = 121,703.58 × 41,685.48
  4. Step 4: Simplify right side
    81,093.96x = 5,073,272,150.02
  5. Step 5: Solve for x
    x = 5,073,272,150.02/81,093.96
  6. Step 6: Final answer
    x = 62,560.42

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1.5x scale

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.