Home / 55,413.38-83,082.10-19,873.94

Finding the Fourth Proportional to 55,413.38, 83,082.10 and 19,873.94

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Solution

The fourth proportional to 55,413.38, 83,082.10 and 19,873.94 is: 29,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.38 : 83,082.10 = 19,873.94 : x
  2. Step 2: Convert to fraction form
    55,413.38/83,082.10 = 19,873.94/x
  3. Step 3: Cross multiply
    55,413.38x = 83,082.10 × 19,873.94
  4. Step 4: Simplify right side
    55,413.38x = 1,651,168,279.91
  5. Step 5: Solve for x
    x = 1,651,168,279.91/55,413.38
  6. Step 6: Final answer
    x = 29,797.29

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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.