Home / 79,504.97-109,601.25-55,557.32

Finding the Fourth Proportional to 79,504.97, 109,601.25 and 55,557.32

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Solution

The fourth proportional to 79,504.97, 109,601.25 and 55,557.32 is: 76,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.97 : 109,601.25 = 55,557.32 : x
  2. Step 2: Convert to fraction form
    79,504.97/109,601.25 = 55,557.32/x
  3. Step 3: Cross multiply
    79,504.97x = 109,601.25 × 55,557.32
  4. Step 4: Simplify right side
    79,504.97x = 6,089,151,718.65
  5. Step 5: Solve for x
    x = 6,089,151,718.65/79,504.97
  6. Step 6: Final answer
    x = 76,588.32

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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.