Home / 86,003.28-118,684.44-48,277.60

Finding the Fourth Proportional to 86,003.28, 118,684.44 and 48,277.60

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Solution

The fourth proportional to 86,003.28, 118,684.44 and 48,277.60 is: 66,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003.28 : 118,684.44 = 48,277.60 : x
  2. Step 2: Convert to fraction form
    86,003.28/118,684.44 = 48,277.60/x
  3. Step 3: Cross multiply
    86,003.28x = 118,684.44 × 48,277.60
  4. Step 4: Simplify right side
    86,003.28x = 5,729,799,920.54
  5. Step 5: Solve for x
    x = 5,729,799,920.54/86,003.28
  6. Step 6: Final answer
    x = 66,623.04

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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.