Home / 85,951.16-118,571.43-51,479.22

Finding the Fourth Proportional to 85,951.16, 118,571.43 and 51,479.22

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Solution

The fourth proportional to 85,951.16, 118,571.43 and 51,479.22 is: 71,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,951.16 : 118,571.43 = 51,479.22 : x
  2. Step 2: Convert to fraction form
    85,951.16/118,571.43 = 51,479.22/x
  3. Step 3: Cross multiply
    85,951.16x = 118,571.43 × 51,479.22
  4. Step 4: Simplify right side
    85,951.16x = 6,103,964,730.68
  5. Step 5: Solve for x
    x = 6,103,964,730.68/85,951.16
  6. Step 6: Final answer
    x = 71,016.66

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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.