Home / 82,011.15-123,013.08-22,845.51

Finding the Fourth Proportional to 82,011.15, 123,013.08 and 22,845.51

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Solution

The fourth proportional to 82,011.15, 123,013.08 and 22,845.51 is: 34,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,011.15 : 123,013.08 = 22,845.51 : x
  2. Step 2: Convert to fraction form
    82,011.15/123,013.08 = 22,845.51/x
  3. Step 3: Cross multiply
    82,011.15x = 123,013.08 × 22,845.51
  4. Step 4: Simplify right side
    82,011.15x = 2,810,296,549.27
  5. Step 5: Solve for x
    x = 2,810,296,549.27/82,011.15
  6. Step 6: Final answer
    x = 34,267.25

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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.