Home / 75,872.22-104,703.64-41,880.69

Finding the Fourth Proportional to 75,872.22, 104,703.64 and 41,880.69

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Solution

The fourth proportional to 75,872.22, 104,703.64 and 41,880.69 is: 57,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,872.22 : 104,703.64 = 41,880.69 : x
  2. Step 2: Convert to fraction form
    75,872.22/104,703.64 = 41,880.69/x
  3. Step 3: Cross multiply
    75,872.22x = 104,703.64 × 41,880.69
  4. Step 4: Simplify right side
    75,872.22x = 4,385,061,133.70
  5. Step 5: Solve for x
    x = 4,385,061,133.70/75,872.22
  6. Step 6: Final answer
    x = 57,795.35

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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.