Home / 95,428.40-143,142.60-73,353.20

Finding the Fourth Proportional to 95,428.40, 143,142.60 and 73,353.20

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Solution

The fourth proportional to 95,428.40, 143,142.60 and 73,353.20 is: 110,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.40 : 143,142.60 = 73,353.20 : x
  2. Step 2: Convert to fraction form
    95,428.40/143,142.60 = 73,353.20/x
  3. Step 3: Cross multiply
    95,428.40x = 143,142.60 × 73,353.20
  4. Step 4: Simplify right side
    95,428.40x = 10,499,967,766.32
  5. Step 5: Solve for x
    x = 10,499,967,766.32/95,428.40
  6. Step 6: Final answer
    x = 110,029.80

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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.