Home / 82,130.18-123,203.06-22,965.86

Finding the Fourth Proportional to 82,130.18, 123,203.06 and 22,965.86

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Solution

The fourth proportional to 82,130.18, 123,203.06 and 22,965.86 is: 34,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.18 : 123,203.06 = 22,965.86 : x
  2. Step 2: Convert to fraction form
    82,130.18/123,203.06 = 22,965.86/x
  3. Step 3: Cross multiply
    82,130.18x = 123,203.06 × 22,965.86
  4. Step 4: Simplify right side
    82,130.18x = 2,829,463,496.69
  5. Step 5: Solve for x
    x = 2,829,463,496.69/82,130.18
  6. Step 6: Final answer
    x = 34,450.96

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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.