Home / 78,982.06-108,987.86-44,992.44

Finding the Fourth Proportional to 78,982.06, 108,987.86 and 44,992.44

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Solution

The fourth proportional to 78,982.06, 108,987.86 and 44,992.44 is: 62,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,982.06 : 108,987.86 = 44,992.44 : x
  2. Step 2: Convert to fraction form
    78,982.06/108,987.86 = 44,992.44/x
  3. Step 3: Cross multiply
    78,982.06x = 108,987.86 × 44,992.44
  4. Step 4: Simplify right side
    78,982.06x = 4,903,629,751.78
  5. Step 5: Solve for x
    x = 4,903,629,751.78/78,982.06
  6. Step 6: Final answer
    x = 62,085.36

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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.