Home / 68,305.20-94,260.76-38,090.88

Finding the Fourth Proportional to 68,305.20, 94,260.76 and 38,090.88

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Solution

The fourth proportional to 68,305.20, 94,260.76 and 38,090.88 is: 52,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,305.20 : 94,260.76 = 38,090.88 : x
  2. Step 2: Convert to fraction form
    68,305.20/94,260.76 = 38,090.88/x
  3. Step 3: Cross multiply
    68,305.20x = 94,260.76 × 38,090.88
  4. Step 4: Simplify right side
    68,305.20x = 3,590,475,297.87
  5. Step 5: Solve for x
    x = 3,590,475,297.87/68,305.20
  6. Step 6: Final answer
    x = 52,565.18

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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.