Home / 80,816.86-121,228.26-41,327.74

Finding the Fourth Proportional to 80,816.86, 121,228.26 and 41,327.74

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Solution

The fourth proportional to 80,816.86, 121,228.26 and 41,327.74 is: 61,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.86 : 121,228.26 = 41,327.74 : x
  2. Step 2: Convert to fraction form
    80,816.86/121,228.26 = 41,327.74/x
  3. Step 3: Cross multiply
    80,816.86x = 121,228.26 × 41,327.74
  4. Step 4: Simplify right side
    80,816.86x = 5,010,090,009.93
  5. Step 5: Solve for x
    x = 5,010,090,009.93/80,816.86
  6. Step 6: Final answer
    x = 61,993.13

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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.