Home / 75,838.55-104,655.56-41,845.73

Finding the Fourth Proportional to 75,838.55, 104,655.56 and 41,845.73

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Solution

The fourth proportional to 75,838.55, 104,655.56 and 41,845.73 is: 57,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,838.55 : 104,655.56 = 41,845.73 : x
  2. Step 2: Convert to fraction form
    75,838.55/104,655.56 = 41,845.73/x
  3. Step 3: Cross multiply
    75,838.55x = 104,655.56 × 41,845.73
  4. Step 4: Simplify right side
    75,838.55x = 4,379,387,574.25
  5. Step 5: Solve for x
    x = 4,379,387,574.25/75,838.55
  6. Step 6: Final answer
    x = 57,746.20

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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.