Home / 74,832.88-112,216.28-28,052.96

Finding the Fourth Proportional to 74,832.88, 112,216.28 and 28,052.96

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Solution

The fourth proportional to 74,832.88, 112,216.28 and 28,052.96 is: 42,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,832.88 : 112,216.28 = 28,052.96 : x
  2. Step 2: Convert to fraction form
    74,832.88/112,216.28 = 28,052.96/x
  3. Step 3: Cross multiply
    74,832.88x = 112,216.28 × 28,052.96
  4. Step 4: Simplify right side
    74,832.88x = 3,147,998,814.19
  5. Step 5: Solve for x
    x = 3,147,998,814.19/74,832.88
  6. Step 6: Final answer
    x = 42,067.05

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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.