Home / 56,745.37-78,317.98-43,291.22

Finding the Fourth Proportional to 56,745.37, 78,317.98 and 43,291.22

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Solution

The fourth proportional to 56,745.37, 78,317.98 and 43,291.22 is: 59,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,745.37 : 78,317.98 = 43,291.22 : x
  2. Step 2: Convert to fraction form
    56,745.37/78,317.98 = 43,291.22/x
  3. Step 3: Cross multiply
    56,745.37x = 78,317.98 × 43,291.22
  4. Step 4: Simplify right side
    56,745.37x = 3,390,480,902.14
  5. Step 5: Solve for x
    x = 3,390,480,902.14/56,745.37
  6. Step 6: Final answer
    x = 59,749.03

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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.