Home / 83,738.04-125,383.41-70,452

Finding the Fourth Proportional to 83,738.04, 125,383.41 and 70,452

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Solution

The fourth proportional to 83,738.04, 125,383.41 and 70,452 is: 105,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,738.04 : 125,383.41 = 70,452 : x
  2. Step 2: Convert to fraction form
    83,738.04/125,383.41 = 70,452/x
  3. Step 3: Cross multiply
    83,738.04x = 125,383.41 × 70,452
  4. Step 4: Simplify right side
    83,738.04x = 8,833,512,001.32
  5. Step 5: Solve for x
    x = 8,833,512,001.32/83,738.04
  6. Step 6: Final answer
    x = 105,489.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.