Home / 74,992.10-112,504.35-22,406.90

Finding the Fourth Proportional to 74,992.10, 112,504.35 and 22,406.90

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Solution

The fourth proportional to 74,992.10, 112,504.35 and 22,406.90 is: 33,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,992.10 : 112,504.35 = 22,406.90 : x
  2. Step 2: Convert to fraction form
    74,992.10/112,504.35 = 22,406.90/x
  3. Step 3: Cross multiply
    74,992.10x = 112,504.35 × 22,406.90
  4. Step 4: Simplify right side
    74,992.10x = 2,520,873,720.02
  5. Step 5: Solve for x
    x = 2,520,873,720.02/74,992.10
  6. Step 6: Final answer
    x = 33,615.19

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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.