Home / 70,956.06-97,919.26-39,125.04

Finding the Fourth Proportional to 70,956.06, 97,919.26 and 39,125.04

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Solution

The fourth proportional to 70,956.06, 97,919.26 and 39,125.04 is: 53,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956.06 : 97,919.26 = 39,125.04 : x
  2. Step 2: Convert to fraction form
    70,956.06/97,919.26 = 39,125.04/x
  3. Step 3: Cross multiply
    70,956.06x = 97,919.26 × 39,125.04
  4. Step 4: Simplify right side
    70,956.06x = 3,831,094,474.67
  5. Step 5: Solve for x
    x = 3,831,094,474.67/70,956.06
  6. Step 6: Final answer
    x = 53,992.49

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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.