Home / 74,732.07-111,993.19-40,911.14

Finding the Fourth Proportional to 74,732.07, 111,993.19 and 40,911.14

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Solution

The fourth proportional to 74,732.07, 111,993.19 and 40,911.14 is: 61,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,732.07 : 111,993.19 = 40,911.14 : x
  2. Step 2: Convert to fraction form
    74,732.07/111,993.19 = 40,911.14/x
  3. Step 3: Cross multiply
    74,732.07x = 111,993.19 × 40,911.14
  4. Step 4: Simplify right side
    74,732.07x = 4,581,769,068.03
  5. Step 5: Solve for x
    x = 4,581,769,068.03/74,732.07
  6. Step 6: Final answer
    x = 61,309.28

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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.