Home / 74,812.25-103,243.07-41,280.41

Finding the Fourth Proportional to 74,812.25, 103,243.07 and 41,280.41

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Solution

The fourth proportional to 74,812.25, 103,243.07 and 41,280.41 is: 56,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,812.25 : 103,243.07 = 41,280.41 : x
  2. Step 2: Convert to fraction form
    74,812.25/103,243.07 = 41,280.41/x
  3. Step 3: Cross multiply
    74,812.25x = 103,243.07 × 41,280.41
  4. Step 4: Simplify right side
    74,812.25x = 4,261,916,259.26
  5. Step 5: Solve for x
    x = 4,261,916,259.26/74,812.25
  6. Step 6: Final answer
    x = 56,968.16

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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.