Home / 74,194.88-111,292.50-21,605.64

Finding the Fourth Proportional to 74,194.88, 111,292.50 and 21,605.64

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Solution

The fourth proportional to 74,194.88, 111,292.50 and 21,605.64 is: 32,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.88 : 111,292.50 = 21,605.64 : x
  2. Step 2: Convert to fraction form
    74,194.88/111,292.50 = 21,605.64/x
  3. Step 3: Cross multiply
    74,194.88x = 111,292.50 × 21,605.64
  4. Step 4: Simplify right side
    74,194.88x = 2,404,545,689.70
  5. Step 5: Solve for x
    x = 2,404,545,689.70/74,194.88
  6. Step 6: Final answer
    x = 32,408.51

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1.5x scale

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.