Home / 83,828.20-115,683.73-45,588.57

Finding the Fourth Proportional to 83,828.20, 115,683.73 and 45,588.57

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Solution

The fourth proportional to 83,828.20, 115,683.73 and 45,588.57 is: 62,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,828.20 : 115,683.73 = 45,588.57 : x
  2. Step 2: Convert to fraction form
    83,828.20/115,683.73 = 45,588.57/x
  3. Step 3: Cross multiply
    83,828.20x = 115,683.73 × 45,588.57
  4. Step 4: Simplify right side
    83,828.20x = 5,273,855,822.97
  5. Step 5: Solve for x
    x = 5,273,855,822.97/83,828.20
  6. Step 6: Final answer
    x = 62,912.67

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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.