Home / 91,289.14-125,974.52-50,994.88

Finding the Fourth Proportional to 91,289.14, 125,974.52 and 50,994.88

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Solution

The fourth proportional to 91,289.14, 125,974.52 and 50,994.88 is: 70,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,289.14 : 125,974.52 = 50,994.88 : x
  2. Step 2: Convert to fraction form
    91,289.14/125,974.52 = 50,994.88/x
  3. Step 3: Cross multiply
    91,289.14x = 125,974.52 × 50,994.88
  4. Step 4: Simplify right side
    91,289.14x = 6,424,055,275.48
  5. Step 5: Solve for x
    x = 6,424,055,275.48/91,289.14
  6. Step 6: Final answer
    x = 70,370.42

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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.