Home / 70,839.72-97,725.15-43,973.64

Finding the Fourth Proportional to 70,839.72, 97,725.15 and 43,973.64

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Solution

The fourth proportional to 70,839.72, 97,725.15 and 43,973.64 is: 60,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,839.72 : 97,725.15 = 43,973.64 : x
  2. Step 2: Convert to fraction form
    70,839.72/97,725.15 = 43,973.64/x
  3. Step 3: Cross multiply
    70,839.72x = 97,725.15 × 43,973.64
  4. Step 4: Simplify right side
    70,839.72x = 4,297,330,565.05
  5. Step 5: Solve for x
    x = 4,297,330,565.05/70,839.72
  6. Step 6: Final answer
    x = 60,662.73

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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.