Home / 74,187.87-102,384.28-41,911.29

Finding the Fourth Proportional to 74,187.87, 102,384.28 and 41,911.29

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Solution

The fourth proportional to 74,187.87, 102,384.28 and 41,911.29 is: 57,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,187.87 : 102,384.28 = 41,911.29 : x
  2. Step 2: Convert to fraction form
    74,187.87/102,384.28 = 41,911.29/x
  3. Step 3: Cross multiply
    74,187.87x = 102,384.28 × 41,911.29
  4. Step 4: Simplify right side
    74,187.87x = 4,291,057,185.03
  5. Step 5: Solve for x
    x = 4,291,057,185.03/74,187.87
  6. Step 6: Final answer
    x = 57,840.42

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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.