Home / 74,508.44-111,762.32-30,134.64

Finding the Fourth Proportional to 74,508.44, 111,762.32 and 30,134.64

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Solution

The fourth proportional to 74,508.44, 111,762.32 and 30,134.64 is: 45,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,508.44 : 111,762.32 = 30,134.64 : x
  2. Step 2: Convert to fraction form
    74,508.44/111,762.32 = 30,134.64/x
  3. Step 3: Cross multiply
    74,508.44x = 111,762.32 × 30,134.64
  4. Step 4: Simplify right side
    74,508.44x = 3,367,917,278.76
  5. Step 5: Solve for x
    x = 3,367,917,278.76/74,508.44
  6. Step 6: Final answer
    x = 45,201.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.