Home / 74,938.20-103,413.50-40,945.96

Finding the Fourth Proportional to 74,938.20, 103,413.50 and 40,945.96

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Solution

The fourth proportional to 74,938.20, 103,413.50 and 40,945.96 is: 56,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.20 : 103,413.50 = 40,945.96 : x
  2. Step 2: Convert to fraction form
    74,938.20/103,413.50 = 40,945.96/x
  3. Step 3: Cross multiply
    74,938.20x = 103,413.50 × 40,945.96
  4. Step 4: Simplify right side
    74,938.20x = 4,234,365,034.46
  5. Step 5: Solve for x
    x = 4,234,365,034.46/74,938.20
  6. Step 6: Final answer
    x = 56,504.76

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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.