Home / 70,918.12-97,872.87-39,093.22

Finding the Fourth Proportional to 70,918.12, 97,872.87 and 39,093.22

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Solution

The fourth proportional to 70,918.12, 97,872.87 and 39,093.22 is: 53,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.12 : 97,872.87 = 39,093.22 : x
  2. Step 2: Convert to fraction form
    70,918.12/97,872.87 = 39,093.22/x
  3. Step 3: Cross multiply
    70,918.12x = 97,872.87 × 39,093.22
  4. Step 4: Simplify right side
    70,918.12x = 3,826,165,638.94
  5. Step 5: Solve for x
    x = 3,826,165,638.94/70,918.12
  6. Step 6: Final answer
    x = 53,951.88

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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.