Home / 86,004.28-118,685.82-48,278.60

Finding the Fourth Proportional to 86,004.28, 118,685.82 and 48,278.60

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Solution

The fourth proportional to 86,004.28, 118,685.82 and 48,278.60 is: 66,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,004.28 : 118,685.82 = 48,278.60 : x
  2. Step 2: Convert to fraction form
    86,004.28/118,685.82 = 48,278.60/x
  3. Step 3: Cross multiply
    86,004.28x = 118,685.82 × 48,278.60
  4. Step 4: Simplify right side
    86,004.28x = 5,729,985,229.45
  5. Step 5: Solve for x
    x = 5,729,985,229.45/86,004.28
  6. Step 6: Final answer
    x = 66,624.42

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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.