Home / 74,462.49-111,666.69-40,753.43

Finding the Fourth Proportional to 74,462.49, 111,666.69 and 40,753.43

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Solution

The fourth proportional to 74,462.49, 111,666.69 and 40,753.43 is: 61,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,462.49 : 111,666.69 = 40,753.43 : x
  2. Step 2: Convert to fraction form
    74,462.49/111,666.69 = 40,753.43/x
  3. Step 3: Cross multiply
    74,462.49x = 111,666.69 × 40,753.43
  4. Step 4: Simplify right side
    74,462.49x = 4,550,800,634.25
  5. Step 5: Solve for x
    x = 4,550,800,634.25/74,462.49
  6. Step 6: Final answer
    x = 61,115.34

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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.