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Finding the Fourth Proportional to 75,023.20, 112,520.40 and 22,434.40

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Solution

The fourth proportional to 75,023.20, 112,520.40 and 22,434.40 is: 33,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,023.20 : 112,520.40 = 22,434.40 : x
  2. Step 2: Convert to fraction form
    75,023.20/112,520.40 = 22,434.40/x
  3. Step 3: Cross multiply
    75,023.20x = 112,520.40 × 22,434.40
  4. Step 4: Simplify right side
    75,023.20x = 2,524,327,661.76
  5. Step 5: Solve for x
    x = 2,524,327,661.76/75,023.20
  6. Step 6: Final answer
    x = 33,647.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.