Home / 82,430.62-123,669.10-23,266.80

Finding the Fourth Proportional to 82,430.62, 123,669.10 and 23,266.80

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Solution

The fourth proportional to 82,430.62, 123,669.10 and 23,266.80 is: 34,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,430.62 : 123,669.10 = 23,266.80 : x
  2. Step 2: Convert to fraction form
    82,430.62/123,669.10 = 23,266.80/x
  3. Step 3: Cross multiply
    82,430.62x = 123,669.10 × 23,266.80
  4. Step 4: Simplify right side
    82,430.62x = 2,877,384,215.88
  5. Step 5: Solve for x
    x = 2,877,384,215.88/82,430.62
  6. Step 6: Final answer
    x = 34,906.74

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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.