Home / 74,167.20-111,268.08-21,577.68

Finding the Fourth Proportional to 74,167.20, 111,268.08 and 21,577.68

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Solution

The fourth proportional to 74,167.20, 111,268.08 and 21,577.68 is: 32,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.20 : 111,268.08 = 21,577.68 : x
  2. Step 2: Convert to fraction form
    74,167.20/111,268.08 = 21,577.68/x
  3. Step 3: Cross multiply
    74,167.20x = 111,268.08 × 21,577.68
  4. Step 4: Simplify right side
    74,167.20x = 2,400,907,024.45
  5. Step 5: Solve for x
    x = 2,400,907,024.45/74,167.20
  6. Step 6: Final answer
    x = 32,371.55

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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.