Home / 70,962.75-97,926.03-39,129.75

Finding the Fourth Proportional to 70,962.75, 97,926.03 and 39,129.75

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Solution

The fourth proportional to 70,962.75, 97,926.03 and 39,129.75 is: 53,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,962.75 : 97,926.03 = 39,129.75 : x
  2. Step 2: Convert to fraction form
    70,962.75/97,926.03 = 39,129.75/x
  3. Step 3: Cross multiply
    70,962.75x = 97,926.03 × 39,129.75
  4. Step 4: Simplify right side
    70,962.75x = 3,831,821,072.39
  5. Step 5: Solve for x
    x = 3,831,821,072.39/70,962.75
  6. Step 6: Final answer
    x = 53,997.64

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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.