Home / 109,811.88-164,722.14-49,828.68

Finding the Fourth Proportional to 109,811.88, 164,722.14 and 49,828.68

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Solution

The fourth proportional to 109,811.88, 164,722.14 and 49,828.68 is: 74,744.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,811.88 : 164,722.14 = 49,828.68 : x
  2. Step 2: Convert to fraction form
    109,811.88/164,722.14 = 49,828.68/x
  3. Step 3: Cross multiply
    109,811.88x = 164,722.14 × 49,828.68
  4. Step 4: Simplify right side
    109,811.88x = 8,207,886,802.98
  5. Step 5: Solve for x
    x = 8,207,886,802.98/109,811.88
  6. Step 6: Final answer
    x = 74,744.98

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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.