Home / 78,499.44-108,360.60-48,297.12

Finding the Fourth Proportional to 78,499.44, 108,360.60 and 48,297.12

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Solution

The fourth proportional to 78,499.44, 108,360.60 and 48,297.12 is: 66,669.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,499.44 : 108,360.60 = 48,297.12 : x
  2. Step 2: Convert to fraction form
    78,499.44/108,360.60 = 48,297.12/x
  3. Step 3: Cross multiply
    78,499.44x = 108,360.60 × 48,297.12
  4. Step 4: Simplify right side
    78,499.44x = 5,233,504,901.47
  5. Step 5: Solve for x
    x = 5,233,504,901.47/78,499.44
  6. Step 6: Final answer
    x = 66,669.33

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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.