Home / 82,050.50-123,087.63-25,871.54

Finding the Fourth Proportional to 82,050.50, 123,087.63 and 25,871.54

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Solution

The fourth proportional to 82,050.50, 123,087.63 and 25,871.54 is: 38,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,050.50 : 123,087.63 = 25,871.54 : x
  2. Step 2: Convert to fraction form
    82,050.50/123,087.63 = 25,871.54/x
  3. Step 3: Cross multiply
    82,050.50x = 123,087.63 × 25,871.54
  4. Step 4: Simplify right side
    82,050.50x = 3,184,466,543.05
  5. Step 5: Solve for x
    x = 3,184,466,543.05/82,050.50
  6. Step 6: Final answer
    x = 38,811.06

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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.