Home / 70,956-97,919.96-39,125.97

Finding the Fourth Proportional to 70,956, 97,919.96 and 39,125.97

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Solution

The fourth proportional to 70,956, 97,919.96 and 39,125.97 is: 53,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956 : 97,919.96 = 39,125.97 : x
  2. Step 2: Convert to fraction form
    70,956/97,919.96 = 39,125.97/x
  3. Step 3: Cross multiply
    70,956x = 97,919.96 × 39,125.97
  4. Step 4: Simplify right side
    70,956x = 3,831,213,221.73
  5. Step 5: Solve for x
    x = 3,831,213,221.73/70,956
  6. Step 6: Final answer
    x = 53,994.21

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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.