Home / 74,740-103,141.20-41,208.16

Finding the Fourth Proportional to 74,740, 103,141.20 and 41,208.16

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Solution

The fourth proportional to 74,740, 103,141.20 and 41,208.16 is: 56,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740 : 103,141.20 = 41,208.16 : x
  2. Step 2: Convert to fraction form
    74,740/103,141.20 = 41,208.16/x
  3. Step 3: Cross multiply
    74,740x = 103,141.20 × 41,208.16
  4. Step 4: Simplify right side
    74,740x = 4,250,259,072.19
  5. Step 5: Solve for x
    x = 4,250,259,072.19/74,740
  6. Step 6: Final answer
    x = 56,867.26

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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.