Home / 95,421.96-143,138.16-28,860.48

Finding the Fourth Proportional to 95,421.96, 143,138.16 and 28,860.48

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Solution

The fourth proportional to 95,421.96, 143,138.16 and 28,860.48 is: 43,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,421.96 : 143,138.16 = 28,860.48 : x
  2. Step 2: Convert to fraction form
    95,421.96/143,138.16 = 28,860.48/x
  3. Step 3: Cross multiply
    95,421.96x = 143,138.16 × 28,860.48
  4. Step 4: Simplify right side
    95,421.96x = 4,131,036,003.92
  5. Step 5: Solve for x
    x = 4,131,036,003.92/95,421.96
  6. Step 6: Final answer
    x = 43,292.30

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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.