Home / 74,938.57-103,413.97-40,946.31

Finding the Fourth Proportional to 74,938.57, 103,413.97 and 40,946.31

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Solution

The fourth proportional to 74,938.57, 103,413.97 and 40,946.31 is: 56,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.57 : 103,413.97 = 40,946.31 : x
  2. Step 2: Convert to fraction form
    74,938.57/103,413.97 = 40,946.31/x
  3. Step 3: Cross multiply
    74,938.57x = 103,413.97 × 40,946.31
  4. Step 4: Simplify right side
    74,938.57x = 4,234,420,525.13
  5. Step 5: Solve for x
    x = 4,234,420,525.13/74,938.57
  6. Step 6: Final answer
    x = 56,505.22

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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.