Home / 75,976.30-104,846.61-41,987.08

Finding the Fourth Proportional to 75,976.30, 104,846.61 and 41,987.08

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Solution

The fourth proportional to 75,976.30, 104,846.61 and 41,987.08 is: 57,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,976.30 : 104,846.61 = 41,987.08 : x
  2. Step 2: Convert to fraction form
    75,976.30/104,846.61 = 41,987.08/x
  3. Step 3: Cross multiply
    75,976.30x = 104,846.61 × 41,987.08
  4. Step 4: Simplify right side
    75,976.30x = 4,402,203,001.80
  5. Step 5: Solve for x
    x = 4,402,203,001.80/75,976.30
  6. Step 6: Final answer
    x = 57,941.79

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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.