Home / 74,932.82-112,396.63-18,773.42

Finding the Fourth Proportional to 74,932.82, 112,396.63 and 18,773.42

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Solution

The fourth proportional to 74,932.82, 112,396.63 and 18,773.42 is: 28,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.82 : 112,396.63 = 18,773.42 : x
  2. Step 2: Convert to fraction form
    74,932.82/112,396.63 = 18,773.42/x
  3. Step 3: Cross multiply
    74,932.82x = 112,396.63 × 18,773.42
  4. Step 4: Simplify right side
    74,932.82x = 2,110,068,485.72
  5. Step 5: Solve for x
    x = 2,110,068,485.72/74,932.82
  6. Step 6: Final answer
    x = 28,159.47

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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.