Home / 98,546.96-135,991.44-56,097.28

Finding the Fourth Proportional to 98,546.96, 135,991.44 and 56,097.28

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Solution

The fourth proportional to 98,546.96, 135,991.44 and 56,097.28 is: 77,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.96 : 135,991.44 = 56,097.28 : x
  2. Step 2: Convert to fraction form
    98,546.96/135,991.44 = 56,097.28/x
  3. Step 3: Cross multiply
    98,546.96x = 135,991.44 × 56,097.28
  4. Step 4: Simplify right side
    98,546.96x = 7,628,749,887.28
  5. Step 5: Solve for x
    x = 7,628,749,887.28/98,546.96
  6. Step 6: Final answer
    x = 77,412.33

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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.