Home / 75,829.86-104,644.91-41,840.46

Finding the Fourth Proportional to 75,829.86, 104,644.91 and 41,840.46

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Solution

The fourth proportional to 75,829.86, 104,644.91 and 41,840.46 is: 57,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,829.86 : 104,644.91 = 41,840.46 : x
  2. Step 2: Convert to fraction form
    75,829.86/104,644.91 = 41,840.46/x
  3. Step 3: Cross multiply
    75,829.86x = 104,644.91 × 41,840.46
  4. Step 4: Simplify right side
    75,829.86x = 4,378,391,511.18
  5. Step 5: Solve for x
    x = 4,378,391,511.18/75,829.86
  6. Step 6: Final answer
    x = 57,739.67

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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.