Home / 74,328.83-111,492.27-18,169.43

Finding the Fourth Proportional to 74,328.83, 111,492.27 and 18,169.43

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Solution

The fourth proportional to 74,328.83, 111,492.27 and 18,169.43 is: 27,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.83 : 111,492.27 = 18,169.43 : x
  2. Step 2: Convert to fraction form
    74,328.83/111,492.27 = 18,169.43/x
  3. Step 3: Cross multiply
    74,328.83x = 111,492.27 × 18,169.43
  4. Step 4: Simplify right side
    74,328.83x = 2,025,751,133.12
  5. Step 5: Solve for x
    x = 2,025,751,133.12/74,328.83
  6. Step 6: Final answer
    x = 27,253.91

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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.