Home / 82,035.90-123,102.45-59,793.30

Finding the Fourth Proportional to 82,035.90, 123,102.45 and 59,793.30

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Solution

The fourth proportional to 82,035.90, 123,102.45 and 59,793.30 is: 89,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,035.90 : 123,102.45 = 59,793.30 : x
  2. Step 2: Convert to fraction form
    82,035.90/123,102.45 = 59,793.30/x
  3. Step 3: Cross multiply
    82,035.90x = 123,102.45 × 59,793.30
  4. Step 4: Simplify right side
    82,035.90x = 7,360,701,723.59
  5. Step 5: Solve for x
    x = 7,360,701,723.59/82,035.90
  6. Step 6: Final answer
    x = 89,725.37

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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.