Home / 85,965.86-118,632.56-48,240.02

Finding the Fourth Proportional to 85,965.86, 118,632.56 and 48,240.02

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Solution

The fourth proportional to 85,965.86, 118,632.56 and 48,240.02 is: 66,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,965.86 : 118,632.56 = 48,240.02 : x
  2. Step 2: Convert to fraction form
    85,965.86/118,632.56 = 48,240.02/x
  3. Step 3: Cross multiply
    85,965.86x = 118,632.56 × 48,240.02
  4. Step 4: Simplify right side
    85,965.86x = 5,722,837,067.05
  5. Step 5: Solve for x
    x = 5,722,837,067.05/85,965.86
  6. Step 6: Final answer
    x = 66,571.04

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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.