Home / 74,343.42-112,072.22-69,394.27

Finding the Fourth Proportional to 74,343.42, 112,072.22 and 69,394.27

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Solution

The fourth proportional to 74,343.42, 112,072.22 and 69,394.27 is: 104,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.42 : 112,072.22 = 69,394.27 : x
  2. Step 2: Convert to fraction form
    74,343.42/112,072.22 = 69,394.27/x
  3. Step 3: Cross multiply
    74,343.42x = 112,072.22 × 69,394.27
  4. Step 4: Simplify right side
    74,343.42x = 7,777,169,894.18
  5. Step 5: Solve for x
    x = 7,777,169,894.18/74,343.42
  6. Step 6: Final answer
    x = 104,611.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.