Home / 109,840.84-164,762.13-71,922.07

Finding the Fourth Proportional to 109,840.84, 164,762.13 and 71,922.07

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Solution

The fourth proportional to 109,840.84, 164,762.13 and 71,922.07 is: 107,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,840.84 : 164,762.13 = 71,922.07 : x
  2. Step 2: Convert to fraction form
    109,840.84/164,762.13 = 71,922.07/x
  3. Step 3: Cross multiply
    109,840.84x = 164,762.13 × 71,922.07
  4. Step 4: Simplify right side
    109,840.84x = 11,850,033,447.21
  5. Step 5: Solve for x
    x = 11,850,033,447.21/109,840.84
  6. Step 6: Final answer
    x = 107,883.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.