Home / 98,358.60-135,734.22-55,917.14

Finding the Fourth Proportional to 98,358.60, 135,734.22 and 55,917.14

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Solution

The fourth proportional to 98,358.60, 135,734.22 and 55,917.14 is: 77,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,358.60 : 135,734.22 = 55,917.14 : x
  2. Step 2: Convert to fraction form
    98,358.60/135,734.22 = 55,917.14/x
  3. Step 3: Cross multiply
    98,358.60x = 135,734.22 × 55,917.14
  4. Step 4: Simplify right side
    98,358.60x = 7,589,869,382.53
  5. Step 5: Solve for x
    x = 7,589,869,382.53/98,358.60
  6. Step 6: Final answer
    x = 77,165.28

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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.