Home / 75,868.85-104,691.56-41,875.16

Finding the Fourth Proportional to 75,868.85, 104,691.56 and 41,875.16

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Solution

The fourth proportional to 75,868.85, 104,691.56 and 41,875.16 is: 57,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,868.85 : 104,691.56 = 41,875.16 : x
  2. Step 2: Convert to fraction form
    75,868.85/104,691.56 = 41,875.16/x
  3. Step 3: Cross multiply
    75,868.85x = 104,691.56 × 41,875.16
  4. Step 4: Simplify right side
    75,868.85x = 4,383,975,092.82
  5. Step 5: Solve for x
    x = 4,383,975,092.82/75,868.85
  6. Step 6: Final answer
    x = 57,783.60

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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.