Home / 95,945.40-143,723.70-54,343.80

Finding the Fourth Proportional to 95,945.40, 143,723.70 and 54,343.80

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Solution

The fourth proportional to 95,945.40, 143,723.70 and 54,343.80 is: 81,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,945.40 : 143,723.70 = 54,343.80 : x
  2. Step 2: Convert to fraction form
    95,945.40/143,723.70 = 54,343.80/x
  3. Step 3: Cross multiply
    95,945.40x = 143,723.70 × 54,343.80
  4. Step 4: Simplify right side
    95,945.40x = 7,810,492,008.06
  5. Step 5: Solve for x
    x = 7,810,492,008.06/95,945.40
  6. Step 6: Final answer
    x = 81,405.59

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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.