Home / 68,190.89-94,103.19-37,976.58

Finding the Fourth Proportional to 68,190.89, 94,103.19 and 37,976.58

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Solution

The fourth proportional to 68,190.89, 94,103.19 and 37,976.58 is: 52,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.89 : 94,103.19 = 37,976.58 : x
  2. Step 2: Convert to fraction form
    68,190.89/94,103.19 = 37,976.58/x
  3. Step 3: Cross multiply
    68,190.89x = 94,103.19 × 37,976.58
  4. Step 4: Simplify right side
    68,190.89x = 3,573,717,323.29
  5. Step 5: Solve for x
    x = 3,573,717,323.29/68,190.89
  6. Step 6: Final answer
    x = 52,407.55

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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.