Home / 98,331.64-135,696.39-55,887.37

Finding the Fourth Proportional to 98,331.64, 135,696.39 and 55,887.37

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Solution

The fourth proportional to 98,331.64, 135,696.39 and 55,887.37 is: 77,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331.64 : 135,696.39 = 55,887.37 : x
  2. Step 2: Convert to fraction form
    98,331.64/135,696.39 = 55,887.37/x
  3. Step 3: Cross multiply
    98,331.64x = 135,696.39 × 55,887.37
  4. Step 4: Simplify right side
    98,331.64x = 7,583,714,355.59
  5. Step 5: Solve for x
    x = 7,583,714,355.59/98,331.64
  6. Step 6: Final answer
    x = 77,123.85

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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.