Home / 63,413.05-95,123.67-21,291.43

Finding the Fourth Proportional to 63,413.05, 95,123.67 and 21,291.43

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Solution

The fourth proportional to 63,413.05, 95,123.67 and 21,291.43 is: 31,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.05 : 95,123.67 = 21,291.43 : x
  2. Step 2: Convert to fraction form
    63,413.05/95,123.67 = 21,291.43/x
  3. Step 3: Cross multiply
    63,413.05x = 95,123.67 × 21,291.43
  4. Step 4: Simplify right side
    63,413.05x = 2,025,318,961.15
  5. Step 5: Solve for x
    x = 2,025,318,961.15/63,413.05
  6. Step 6: Final answer
    x = 31,938.52

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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.