Home / 75,351.52-104,071.40-49,625.07

Finding the Fourth Proportional to 75,351.52, 104,071.40 and 49,625.07

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Solution

The fourth proportional to 75,351.52, 104,071.40 and 49,625.07 is: 68,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,351.52 : 104,071.40 = 49,625.07 : x
  2. Step 2: Convert to fraction form
    75,351.52/104,071.40 = 49,625.07/x
  3. Step 3: Cross multiply
    75,351.52x = 104,071.40 × 49,625.07
  4. Step 4: Simplify right side
    75,351.52x = 5,164,550,510.00
  5. Step 5: Solve for x
    x = 5,164,550,510.00/75,351.52
  6. Step 6: Final answer
    x = 68,539.43

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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.