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Finding the Fourth Proportional to 64,413.03, 88,845.01 and 62,245.47

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Solution

The fourth proportional to 64,413.03, 88,845.01 and 62,245.47 is: 85,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,413.03 : 88,845.01 = 62,245.47 : x
  2. Step 2: Convert to fraction form
    64,413.03/88,845.01 = 62,245.47/x
  3. Step 3: Cross multiply
    64,413.03x = 88,845.01 × 62,245.47
  4. Step 4: Simplify right side
    64,413.03x = 5,530,199,248.99
  5. Step 5: Solve for x
    x = 5,530,199,248.99/64,413.03
  6. Step 6: Final answer
    x = 85,855.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.