Home / 75,783.11-113,651.63-33,636.89

Finding the Fourth Proportional to 75,783.11, 113,651.63 and 33,636.89

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Solution

The fourth proportional to 75,783.11, 113,651.63 and 33,636.89 is: 50,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.11 : 113,651.63 = 33,636.89 : x
  2. Step 2: Convert to fraction form
    75,783.11/113,651.63 = 33,636.89/x
  3. Step 3: Cross multiply
    75,783.11x = 113,651.63 × 33,636.89
  4. Step 4: Simplify right side
    75,783.11x = 3,822,886,640.19
  5. Step 5: Solve for x
    x = 3,822,886,640.19/75,783.11
  6. Step 6: Final answer
    x = 50,445.10

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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.