Home / 119,979.90-179,989.29-49,863.06

Finding the Fourth Proportional to 119,979.90, 179,989.29 and 49,863.06

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Solution

The fourth proportional to 119,979.90, 179,989.29 and 49,863.06 is: 74,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979.90 : 179,989.29 = 49,863.06 : x
  2. Step 2: Convert to fraction form
    119,979.90/179,989.29 = 49,863.06/x
  3. Step 3: Cross multiply
    119,979.90x = 179,989.29 × 49,863.06
  4. Step 4: Simplify right side
    119,979.90x = 8,974,816,766.63
  5. Step 5: Solve for x
    x = 8,974,816,766.63/119,979.90
  6. Step 6: Final answer
    x = 74,802.67

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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.