Home / 74,214.28-111,321.34-18,054.04

Finding the Fourth Proportional to 74,214.28, 111,321.34 and 18,054.04

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Solution

The fourth proportional to 74,214.28, 111,321.34 and 18,054.04 is: 27,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,214.28 : 111,321.34 = 18,054.04 : x
  2. Step 2: Convert to fraction form
    74,214.28/111,321.34 = 18,054.04/x
  3. Step 3: Cross multiply
    74,214.28x = 111,321.34 × 18,054.04
  4. Step 4: Simplify right side
    74,214.28x = 2,009,799,925.21
  5. Step 5: Solve for x
    x = 2,009,799,925.21/74,214.28
  6. Step 6: Final answer
    x = 27,081.04

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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.