Home / 74,964.27-112,464.86-52,820.89

Finding the Fourth Proportional to 74,964.27, 112,464.86 and 52,820.89

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Solution

The fourth proportional to 74,964.27, 112,464.86 and 52,820.89 is: 79,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.27 : 112,464.86 = 52,820.89 : x
  2. Step 2: Convert to fraction form
    74,964.27/112,464.86 = 52,820.89/x
  3. Step 3: Cross multiply
    74,964.27x = 112,464.86 × 52,820.89
  4. Step 4: Simplify right side
    74,964.27x = 5,940,493,998.93
  5. Step 5: Solve for x
    x = 5,940,493,998.93/74,964.27
  6. Step 6: Final answer
    x = 79,244.34

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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.