Home / 82,295.04-123,442.60-19,965.54

Finding the Fourth Proportional to 82,295.04, 123,442.60 and 19,965.54

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Solution

The fourth proportional to 82,295.04, 123,442.60 and 19,965.54 is: 29,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,295.04 : 123,442.60 = 19,965.54 : x
  2. Step 2: Convert to fraction form
    82,295.04/123,442.60 = 19,965.54/x
  3. Step 3: Cross multiply
    82,295.04x = 123,442.60 × 19,965.54
  4. Step 4: Simplify right side
    82,295.04x = 2,464,598,168.00
  5. Step 5: Solve for x
    x = 2,464,598,168.00/82,295.04
  6. Step 6: Final answer
    x = 29,948.32

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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.