Home / 75,370.20-112,996.98-43,731.60

Finding the Fourth Proportional to 75,370.20, 112,996.98 and 43,731.60

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Solution

The fourth proportional to 75,370.20, 112,996.98 and 43,731.60 is: 65,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,370.20 : 112,996.98 = 43,731.60 : x
  2. Step 2: Convert to fraction form
    75,370.20/112,996.98 = 43,731.60/x
  3. Step 3: Cross multiply
    75,370.20x = 112,996.98 × 43,731.60
  4. Step 4: Simplify right side
    75,370.20x = 4,941,538,730.57
  5. Step 5: Solve for x
    x = 4,941,538,730.57/75,370.20
  6. Step 6: Final answer
    x = 65,563.56

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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.