Home / 62,117.21-85,699.92-40,619.54

Finding the Fourth Proportional to 62,117.21, 85,699.92 and 40,619.54

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Solution

The fourth proportional to 62,117.21, 85,699.92 and 40,619.54 is: 56,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.21 : 85,699.92 = 40,619.54 : x
  2. Step 2: Convert to fraction form
    62,117.21/85,699.92 = 40,619.54/x
  3. Step 3: Cross multiply
    62,117.21x = 85,699.92 × 40,619.54
  4. Step 4: Simplify right side
    62,117.21x = 3,481,091,328.44
  5. Step 5: Solve for x
    x = 3,481,091,328.44/62,117.21
  6. Step 6: Final answer
    x = 56,040.69

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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.