Home / 82,137.18-123,219.06-32,190.19

Finding the Fourth Proportional to 82,137.18, 123,219.06 and 32,190.19

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Solution

The fourth proportional to 82,137.18, 123,219.06 and 32,190.19 is: 48,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,137.18 : 123,219.06 = 32,190.19 : x
  2. Step 2: Convert to fraction form
    82,137.18/123,219.06 = 32,190.19/x
  3. Step 3: Cross multiply
    82,137.18x = 123,219.06 × 32,190.19
  4. Step 4: Simplify right side
    82,137.18x = 3,966,444,953.02
  5. Step 5: Solve for x
    x = 3,966,444,953.02/82,137.18
  6. Step 6: Final answer
    x = 48,290.49

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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.