Home / 98,284.94-135,629.19-55,263.20

Finding the Fourth Proportional to 98,284.94, 135,629.19 and 55,263.20

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Solution

The fourth proportional to 98,284.94, 135,629.19 and 55,263.20 is: 76,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284.94 : 135,629.19 = 55,263.20 : x
  2. Step 2: Convert to fraction form
    98,284.94/135,629.19 = 55,263.20/x
  3. Step 3: Cross multiply
    98,284.94x = 135,629.19 × 55,263.20
  4. Step 4: Simplify right side
    98,284.94x = 7,495,303,391.88
  5. Step 5: Solve for x
    x = 7,495,303,391.88/98,284.94
  6. Step 6: Final answer
    x = 76,260.96

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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.