Home / 75,127.10-103,675.43-41,137.75

Finding the Fourth Proportional to 75,127.10, 103,675.43 and 41,137.75

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Solution

The fourth proportional to 75,127.10, 103,675.43 and 41,137.75 is: 56,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.10 : 103,675.43 = 41,137.75 : x
  2. Step 2: Convert to fraction form
    75,127.10/103,675.43 = 41,137.75/x
  3. Step 3: Cross multiply
    75,127.10x = 103,675.43 × 41,137.75
  4. Step 4: Simplify right side
    75,127.10x = 4,264,973,920.48
  5. Step 5: Solve for x
    x = 4,264,973,920.48/75,127.10
  6. Step 6: Final answer
    x = 56,770.11

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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.