Home / 70,902.03-97,845.46-39,072.07

Finding the Fourth Proportional to 70,902.03, 97,845.46 and 39,072.07

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Solution

The fourth proportional to 70,902.03, 97,845.46 and 39,072.07 is: 53,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902.03 : 97,845.46 = 39,072.07 : x
  2. Step 2: Convert to fraction form
    70,902.03/97,845.46 = 39,072.07/x
  3. Step 3: Cross multiply
    70,902.03x = 97,845.46 × 39,072.07
  4. Step 4: Simplify right side
    70,902.03x = 3,823,024,320.01
  5. Step 5: Solve for x
    x = 3,823,024,320.01/70,902.03
  6. Step 6: Final answer
    x = 53,919.81

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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.