Home / 75,820.40-113,730.60-23,229.80

Finding the Fourth Proportional to 75,820.40, 113,730.60 and 23,229.80

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Solution

The fourth proportional to 75,820.40, 113,730.60 and 23,229.80 is: 34,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,820.40 : 113,730.60 = 23,229.80 : x
  2. Step 2: Convert to fraction form
    75,820.40/113,730.60 = 23,229.80/x
  3. Step 3: Cross multiply
    75,820.40x = 113,730.60 × 23,229.80
  4. Step 4: Simplify right side
    75,820.40x = 2,641,939,091.88
  5. Step 5: Solve for x
    x = 2,641,939,091.88/75,820.40
  6. Step 6: Final answer
    x = 34,844.70

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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.