Home / 74,466.60-111,718.46-21,876.06

Finding the Fourth Proportional to 74,466.60, 111,718.46 and 21,876.06

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Solution

The fourth proportional to 74,466.60, 111,718.46 and 21,876.06 is: 32,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,466.60 : 111,718.46 = 21,876.06 : x
  2. Step 2: Convert to fraction form
    74,466.60/111,718.46 = 21,876.06/x
  3. Step 3: Cross multiply
    74,466.60x = 111,718.46 × 21,876.06
  4. Step 4: Simplify right side
    74,466.60x = 2,443,959,734.07
  5. Step 5: Solve for x
    x = 2,443,959,734.07/74,466.60
  6. Step 6: Final answer
    x = 32,819.54

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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.