Home / 75,126.16-103,670.90-41,134.03

Finding the Fourth Proportional to 75,126.16, 103,670.90 and 41,134.03

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Solution

The fourth proportional to 75,126.16, 103,670.90 and 41,134.03 is: 56,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.16 : 103,670.90 = 41,134.03 : x
  2. Step 2: Convert to fraction form
    75,126.16/103,670.90 = 41,134.03/x
  3. Step 3: Cross multiply
    75,126.16x = 103,670.90 × 41,134.03
  4. Step 4: Simplify right side
    75,126.16x = 4,264,401,910.73
  5. Step 5: Solve for x
    x = 4,264,401,910.73/75,126.16
  6. Step 6: Final answer
    x = 56,763.21

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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.