Home / 70,120.32-96,768.36-38,291.64

Finding the Fourth Proportional to 70,120.32, 96,768.36 and 38,291.64

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Solution

The fourth proportional to 70,120.32, 96,768.36 and 38,291.64 is: 52,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120.32 : 96,768.36 = 38,291.64 : x
  2. Step 2: Convert to fraction form
    70,120.32/96,768.36 = 38,291.64/x
  3. Step 3: Cross multiply
    70,120.32x = 96,768.36 × 38,291.64
  4. Step 4: Simplify right side
    70,120.32x = 3,705,419,204.51
  5. Step 5: Solve for x
    x = 3,705,419,204.51/70,120.32
  6. Step 6: Final answer
    x = 52,843.73

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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.