Home / 85,054.85-117,336.42-51,004.28

Finding the Fourth Proportional to 85,054.85, 117,336.42 and 51,004.28

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Solution

The fourth proportional to 85,054.85, 117,336.42 and 51,004.28 is: 70,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,054.85 : 117,336.42 = 51,004.28 : x
  2. Step 2: Convert to fraction form
    85,054.85/117,336.42 = 51,004.28/x
  3. Step 3: Cross multiply
    85,054.85x = 117,336.42 × 51,004.28
  4. Step 4: Simplify right side
    85,054.85x = 5,984,659,033.20
  5. Step 5: Solve for x
    x = 5,984,659,033.20/85,054.85
  6. Step 6: Final answer
    x = 70,362.35

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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.