Home / 95,405.40-143,129.34-31,366.44

Finding the Fourth Proportional to 95,405.40, 143,129.34 and 31,366.44

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Solution

The fourth proportional to 95,405.40, 143,129.34 and 31,366.44 is: 47,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,405.40 : 143,129.34 = 31,366.44 : x
  2. Step 2: Convert to fraction form
    95,405.40/143,129.34 = 31,366.44/x
  3. Step 3: Cross multiply
    95,405.40x = 143,129.34 × 31,366.44
  4. Step 4: Simplify right side
    95,405.40x = 4,489,457,855.35
  5. Step 5: Solve for x
    x = 4,489,457,855.35/95,405.40
  6. Step 6: Final answer
    x = 47,056.64

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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.