Home / 74,787.43-103,208.60-40,796.49

Finding the Fourth Proportional to 74,787.43, 103,208.60 and 40,796.49

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Solution

The fourth proportional to 74,787.43, 103,208.60 and 40,796.49 is: 56,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,787.43 : 103,208.60 = 40,796.49 : x
  2. Step 2: Convert to fraction form
    74,787.43/103,208.60 = 40,796.49/x
  3. Step 3: Cross multiply
    74,787.43x = 103,208.60 × 40,796.49
  4. Step 4: Simplify right side
    74,787.43x = 4,210,548,617.81
  5. Step 5: Solve for x
    x = 4,210,548,617.81/74,787.43
  6. Step 6: Final answer
    x = 56,300.22

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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.