Home / 76,032.45-104,922.90-42,040.04

Finding the Fourth Proportional to 76,032.45, 104,922.90 and 42,040.04

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Solution

The fourth proportional to 76,032.45, 104,922.90 and 42,040.04 is: 58,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032.45 : 104,922.90 = 42,040.04 : x
  2. Step 2: Convert to fraction form
    76,032.45/104,922.90 = 42,040.04/x
  3. Step 3: Cross multiply
    76,032.45x = 104,922.90 × 42,040.04
  4. Step 4: Simplify right side
    76,032.45x = 4,410,962,388.30
  5. Step 5: Solve for x
    x = 4,410,962,388.30/76,032.45
  6. Step 6: Final answer
    x = 58,014.21

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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.