Home / 85,906.28-118,550.30-48,180.54

Finding the Fourth Proportional to 85,906.28, 118,550.30 and 48,180.54

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Solution

The fourth proportional to 85,906.28, 118,550.30 and 48,180.54 is: 66,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,906.28 : 118,550.30 = 48,180.54 : x
  2. Step 2: Convert to fraction form
    85,906.28/118,550.30 = 48,180.54/x
  3. Step 3: Cross multiply
    85,906.28x = 118,550.30 × 48,180.54
  4. Step 4: Simplify right side
    85,906.28x = 5,711,817,471.16
  5. Step 5: Solve for x
    x = 5,711,817,471.16/85,906.28
  6. Step 6: Final answer
    x = 66,488.94

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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.