Home / 74,458.35-102,753.09-40,466.84

Finding the Fourth Proportional to 74,458.35, 102,753.09 and 40,466.84

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Solution

The fourth proportional to 74,458.35, 102,753.09 and 40,466.84 is: 55,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458.35 : 102,753.09 = 40,466.84 : x
  2. Step 2: Convert to fraction form
    74,458.35/102,753.09 = 40,466.84/x
  3. Step 3: Cross multiply
    74,458.35x = 102,753.09 × 40,466.84
  4. Step 4: Simplify right side
    74,458.35x = 4,158,092,338.77
  5. Step 5: Solve for x
    x = 4,158,092,338.77/74,458.35
  6. Step 6: Final answer
    x = 55,844.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.