Home / 95,576.60-143,360.30-39,415.80

Finding the Fourth Proportional to 95,576.60, 143,360.30 and 39,415.80

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Solution

The fourth proportional to 95,576.60, 143,360.30 and 39,415.80 is: 59,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,576.60 : 143,360.30 = 39,415.80 : x
  2. Step 2: Convert to fraction form
    95,576.60/143,360.30 = 39,415.80/x
  3. Step 3: Cross multiply
    95,576.60x = 143,360.30 × 39,415.80
  4. Step 4: Simplify right side
    95,576.60x = 5,650,660,912.74
  5. Step 5: Solve for x
    x = 5,650,660,912.74/95,576.60
  6. Step 6: Final answer
    x = 59,121.80

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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.