Home / 74,466.86-102,764.82-40,475.34

Finding the Fourth Proportional to 74,466.86, 102,764.82 and 40,475.34

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Solution

The fourth proportional to 74,466.86, 102,764.82 and 40,475.34 is: 55,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466.86 : 102,764.82 = 40,475.34 : x
  2. Step 2: Convert to fraction form
    74,466.86/102,764.82 = 40,475.34/x
  3. Step 3: Cross multiply
    74,466.86x = 102,764.82 × 40,475.34
  4. Step 4: Simplify right side
    74,466.86x = 4,159,441,029.54
  5. Step 5: Solve for x
    x = 4,159,441,029.54/74,466.86
  6. Step 6: Final answer
    x = 55,856.27

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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.