Home / 74,497.19-111,742.77-18,334.55

Finding the Fourth Proportional to 74,497.19, 111,742.77 and 18,334.55

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Solution

The fourth proportional to 74,497.19, 111,742.77 and 18,334.55 is: 27,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.19 : 111,742.77 = 18,334.55 : x
  2. Step 2: Convert to fraction form
    74,497.19/111,742.77 = 18,334.55/x
  3. Step 3: Cross multiply
    74,497.19x = 111,742.77 × 18,334.55
  4. Step 4: Simplify right side
    74,497.19x = 2,048,753,751.82
  5. Step 5: Solve for x
    x = 2,048,753,751.82/74,497.19
  6. Step 6: Final answer
    x = 27,501.09

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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.