Home / 95,705.18-143,578.52-29,143.56

Finding the Fourth Proportional to 95,705.18, 143,578.52 and 29,143.56

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Solution

The fourth proportional to 95,705.18, 143,578.52 and 29,143.56 is: 43,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,705.18 : 143,578.52 = 29,143.56 : x
  2. Step 2: Convert to fraction form
    95,705.18/143,578.52 = 29,143.56/x
  3. Step 3: Cross multiply
    95,705.18x = 143,578.52 × 29,143.56
  4. Step 4: Simplify right side
    95,705.18x = 4,184,389,066.61
  5. Step 5: Solve for x
    x = 4,184,389,066.61/95,705.18
  6. Step 6: Final answer
    x = 43,721.66

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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.