Home / 74,311.29-111,499.97-30,024.54

Finding the Fourth Proportional to 74,311.29, 111,499.97 and 30,024.54

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Solution

The fourth proportional to 74,311.29, 111,499.97 and 30,024.54 is: 45,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311.29 : 111,499.97 = 30,024.54 : x
  2. Step 2: Convert to fraction form
    74,311.29/111,499.97 = 30,024.54/x
  3. Step 3: Cross multiply
    74,311.29x = 111,499.97 × 30,024.54
  4. Step 4: Simplify right side
    74,311.29x = 3,347,735,159.14
  5. Step 5: Solve for x
    x = 3,347,735,159.14/74,311.29
  6. Step 6: Final answer
    x = 45,050.16

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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.