Home / 86,993.19-120,050.61-49,267.44

Finding the Fourth Proportional to 86,993.19, 120,050.61 and 49,267.44

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Solution

The fourth proportional to 86,993.19, 120,050.61 and 49,267.44 is: 67,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,993.19 : 120,050.61 = 49,267.44 : x
  2. Step 2: Convert to fraction form
    86,993.19/120,050.61 = 49,267.44/x
  3. Step 3: Cross multiply
    86,993.19x = 120,050.61 × 49,267.44
  4. Step 4: Simplify right side
    86,993.19x = 5,914,586,225.14
  5. Step 5: Solve for x
    x = 5,914,586,225.14/86,993.19
  6. Step 6: Final answer
    x = 67,989.07

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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.