Home / 70,972.46-97,941.94-39,141.37

Finding the Fourth Proportional to 70,972.46, 97,941.94 and 39,141.37

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Solution

The fourth proportional to 70,972.46, 97,941.94 and 39,141.37 is: 54,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,972.46 : 97,941.94 = 39,141.37 : x
  2. Step 2: Convert to fraction form
    70,972.46/97,941.94 = 39,141.37/x
  3. Step 3: Cross multiply
    70,972.46x = 97,941.94 × 39,141.37
  4. Step 4: Simplify right side
    70,972.46x = 3,833,581,712.06
  5. Step 5: Solve for x
    x = 3,833,581,712.06/70,972.46
  6. Step 6: Final answer
    x = 54,015.06

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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.