Home / 74,271.78-111,379.95-29,883.54

Finding the Fourth Proportional to 74,271.78, 111,379.95 and 29,883.54

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Solution

The fourth proportional to 74,271.78, 111,379.95 and 29,883.54 is: 44,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.78 : 111,379.95 = 29,883.54 : x
  2. Step 2: Convert to fraction form
    74,271.78/111,379.95 = 29,883.54/x
  3. Step 3: Cross multiply
    74,271.78x = 111,379.95 × 29,883.54
  4. Step 4: Simplify right side
    74,271.78x = 3,328,427,191.02
  5. Step 5: Solve for x
    x = 3,328,427,191.02/74,271.78
  6. Step 6: Final answer
    x = 44,814.16

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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.