Home / 61,940.20-85,477.46-33,645.86

Finding the Fourth Proportional to 61,940.20, 85,477.46 and 33,645.86

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Solution

The fourth proportional to 61,940.20, 85,477.46 and 33,645.86 is: 46,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.20 : 85,477.46 = 33,645.86 : x
  2. Step 2: Convert to fraction form
    61,940.20/85,477.46 = 33,645.86/x
  3. Step 3: Cross multiply
    61,940.20x = 85,477.46 × 33,645.86
  4. Step 4: Simplify right side
    61,940.20x = 2,875,962,652.32
  5. Step 5: Solve for x
    x = 2,875,962,652.32/61,940.20
  6. Step 6: Final answer
    x = 46,431.28

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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.