Home / 56,845.63-85,293.06-30,519.64

Finding the Fourth Proportional to 56,845.63, 85,293.06 and 30,519.64

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Solution

The fourth proportional to 56,845.63, 85,293.06 and 30,519.64 is: 45,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,845.63 : 85,293.06 = 30,519.64 : x
  2. Step 2: Convert to fraction form
    56,845.63/85,293.06 = 30,519.64/x
  3. Step 3: Cross multiply
    56,845.63x = 85,293.06 × 30,519.64
  4. Step 4: Simplify right side
    56,845.63x = 2,603,113,485.70
  5. Step 5: Solve for x
    x = 2,603,113,485.70/56,845.63
  6. Step 6: Final answer
    x = 45,792.68

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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.