Home / 74,757.94-103,165.14-40,766.32

Finding the Fourth Proportional to 74,757.94, 103,165.14 and 40,766.32

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Solution

The fourth proportional to 74,757.94, 103,165.14 and 40,766.32 is: 56,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,757.94 : 103,165.14 = 40,766.32 : x
  2. Step 2: Convert to fraction form
    74,757.94/103,165.14 = 40,766.32/x
  3. Step 3: Cross multiply
    74,757.94x = 103,165.14 × 40,766.32
  4. Step 4: Simplify right side
    74,757.94x = 4,205,663,110.08
  5. Step 5: Solve for x
    x = 4,205,663,110.08/74,757.94
  6. Step 6: Final answer
    x = 56,257.08

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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.