Home / 66,181.19-99,271.71-26,738.28

Finding the Fourth Proportional to 66,181.19, 99,271.71 and 26,738.28

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Solution

The fourth proportional to 66,181.19, 99,271.71 and 26,738.28 is: 40,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,181.19 : 99,271.71 = 26,738.28 : x
  2. Step 2: Convert to fraction form
    66,181.19/99,271.71 = 26,738.28/x
  3. Step 3: Cross multiply
    66,181.19x = 99,271.71 × 26,738.28
  4. Step 4: Simplify right side
    66,181.19x = 2,654,354,778.06
  5. Step 5: Solve for x
    x = 2,654,354,778.06/66,181.19
  6. Step 6: Final answer
    x = 40,107.39

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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.