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Finding the Fourth Proportional to 74,413.44, 111,617.28 and 25,165.44

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Solution

The fourth proportional to 74,413.44, 111,617.28 and 25,165.44 is: 37,747.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,413.44 : 111,617.28 = 25,165.44 : x
  2. Step 2: Convert to fraction form
    74,413.44/111,617.28 = 25,165.44/x
  3. Step 3: Cross multiply
    74,413.44x = 111,617.28 × 25,165.44
  4. Step 4: Simplify right side
    74,413.44x = 2,808,897,962.80
  5. Step 5: Solve for x
    x = 2,808,897,962.80/74,413.44
  6. Step 6: Final answer
    x = 37,747.19

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1.5x scale

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.