Home / 80,727.93-121,111.35-25,323.93

Finding the Fourth Proportional to 80,727.93, 121,111.35 and 25,323.93

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Solution

The fourth proportional to 80,727.93, 121,111.35 and 25,323.93 is: 37,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,727.93 : 121,111.35 = 25,323.93 : x
  2. Step 2: Convert to fraction form
    80,727.93/121,111.35 = 25,323.93/x
  3. Step 3: Cross multiply
    80,727.93x = 121,111.35 × 25,323.93
  4. Step 4: Simplify right side
    80,727.93x = 3,067,015,349.61
  5. Step 5: Solve for x
    x = 3,067,015,349.61/80,727.93
  6. Step 6: Final answer
    x = 37,992.00

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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.