Home / 70,682.37-97,540.55-38,850.59

Finding the Fourth Proportional to 70,682.37, 97,540.55 and 38,850.59

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Solution

The fourth proportional to 70,682.37, 97,540.55 and 38,850.59 is: 53,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,682.37 : 97,540.55 = 38,850.59 : x
  2. Step 2: Convert to fraction form
    70,682.37/97,540.55 = 38,850.59/x
  3. Step 3: Cross multiply
    70,682.37x = 97,540.55 × 38,850.59
  4. Step 4: Simplify right side
    70,682.37x = 3,789,507,781.58
  5. Step 5: Solve for x
    x = 3,789,507,781.58/70,682.37
  6. Step 6: Final answer
    x = 53,613.19

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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.