Home / 95,631.21-131,965.38-55,342.10

Finding the Fourth Proportional to 95,631.21, 131,965.38 and 55,342.10

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Solution

The fourth proportional to 95,631.21, 131,965.38 and 55,342.10 is: 76,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,631.21 : 131,965.38 = 55,342.10 : x
  2. Step 2: Convert to fraction form
    95,631.21/131,965.38 = 55,342.10/x
  3. Step 3: Cross multiply
    95,631.21x = 131,965.38 × 55,342.10
  4. Step 4: Simplify right side
    95,631.21x = 7,303,240,596.67
  5. Step 5: Solve for x
    x = 7,303,240,596.67/95,631.21
  6. Step 6: Final answer
    x = 76,368.80

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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.