Home / 75,583.10-113,370.90-28,194.48

Finding the Fourth Proportional to 75,583.10, 113,370.90 and 28,194.48

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Solution

The fourth proportional to 75,583.10, 113,370.90 and 28,194.48 is: 42,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,583.10 : 113,370.90 = 28,194.48 : x
  2. Step 2: Convert to fraction form
    75,583.10/113,370.90 = 28,194.48/x
  3. Step 3: Cross multiply
    75,583.10x = 113,370.90 × 28,194.48
  4. Step 4: Simplify right side
    75,583.10x = 3,196,433,572.63
  5. Step 5: Solve for x
    x = 3,196,433,572.63/75,583.10
  6. Step 6: Final answer
    x = 42,290.32

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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.