Home / 75,914.59-104,805.86-50,455.48

Finding the Fourth Proportional to 75,914.59, 104,805.86 and 50,455.48

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Solution

The fourth proportional to 75,914.59, 104,805.86 and 50,455.48 is: 69,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,914.59 : 104,805.86 = 50,455.48 : x
  2. Step 2: Convert to fraction form
    75,914.59/104,805.86 = 50,455.48/x
  3. Step 3: Cross multiply
    75,914.59x = 104,805.86 × 50,455.48
  4. Step 4: Simplify right side
    75,914.59x = 5,288,029,973.11
  5. Step 5: Solve for x
    x = 5,288,029,973.11/75,914.59
  6. Step 6: Final answer
    x = 69,657.62

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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.