Home / 68,351.03-102,477.33-42,001.33

Finding the Fourth Proportional to 68,351.03, 102,477.33 and 42,001.33

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Solution

The fourth proportional to 68,351.03, 102,477.33 and 42,001.33 is: 62,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,351.03 : 102,477.33 = 42,001.33 : x
  2. Step 2: Convert to fraction form
    68,351.03/102,477.33 = 42,001.33/x
  3. Step 3: Cross multiply
    68,351.03x = 102,477.33 × 42,001.33
  4. Step 4: Simplify right side
    68,351.03x = 4,304,184,154.85
  5. Step 5: Solve for x
    x = 4,304,184,154.85/68,351.03
  6. Step 6: Final answer
    x = 62,971.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.