Home / 74,759.44-103,163.32-42,905.92

Finding the Fourth Proportional to 74,759.44, 103,163.32 and 42,905.92

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Solution

The fourth proportional to 74,759.44, 103,163.32 and 42,905.92 is: 59,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.44 : 103,163.32 = 42,905.92 : x
  2. Step 2: Convert to fraction form
    74,759.44/103,163.32 = 42,905.92/x
  3. Step 3: Cross multiply
    74,759.44x = 103,163.32 × 42,905.92
  4. Step 4: Simplify right side
    74,759.44x = 4,426,317,154.85
  5. Step 5: Solve for x
    x = 4,426,317,154.85/74,759.44
  6. Step 6: Final answer
    x = 59,207.47

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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.