Home / 86,105.43-118,820.93-48,377.25

Finding the Fourth Proportional to 86,105.43, 118,820.93 and 48,377.25

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Solution

The fourth proportional to 86,105.43, 118,820.93 and 48,377.25 is: 66,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,105.43 : 118,820.93 = 48,377.25 : x
  2. Step 2: Convert to fraction form
    86,105.43/118,820.93 = 48,377.25/x
  3. Step 3: Cross multiply
    86,105.43x = 118,820.93 × 48,377.25
  4. Step 4: Simplify right side
    86,105.43x = 5,748,229,593.96
  5. Step 5: Solve for x
    x = 5,748,229,593.96/86,105.43
  6. Step 6: Final answer
    x = 66,758.04

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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.