Home / 75,684.78-104,445.86-41,692.56

Finding the Fourth Proportional to 75,684.78, 104,445.86 and 41,692.56

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Solution

The fourth proportional to 75,684.78, 104,445.86 and 41,692.56 is: 57,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,684.78 : 104,445.86 = 41,692.56 : x
  2. Step 2: Convert to fraction form
    75,684.78/104,445.86 = 41,692.56/x
  3. Step 3: Cross multiply
    75,684.78x = 104,445.86 × 41,692.56
  4. Step 4: Simplify right side
    75,684.78x = 4,354,614,684.67
  5. Step 5: Solve for x
    x = 4,354,614,684.67/75,684.78
  6. Step 6: Final answer
    x = 57,536.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.