Home / 85,876.94-118,512.51-48,150.38

Finding the Fourth Proportional to 85,876.94, 118,512.51 and 48,150.38

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Solution

The fourth proportional to 85,876.94, 118,512.51 and 48,150.38 is: 66,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,876.94 : 118,512.51 = 48,150.38 : x
  2. Step 2: Convert to fraction form
    85,876.94/118,512.51 = 48,150.38/x
  3. Step 3: Cross multiply
    85,876.94x = 118,512.51 × 48,150.38
  4. Step 4: Simplify right side
    85,876.94x = 5,706,422,391.25
  5. Step 5: Solve for x
    x = 5,706,422,391.25/85,876.94
  6. Step 6: Final answer
    x = 66,448.83

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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.