Home / 98,035.45-135,277.81-55,009.32

Finding the Fourth Proportional to 98,035.45, 135,277.81 and 55,009.32

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Solution

The fourth proportional to 98,035.45, 135,277.81 and 55,009.32 is: 75,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.45 : 135,277.81 = 55,009.32 : x
  2. Step 2: Convert to fraction form
    98,035.45/135,277.81 = 55,009.32/x
  3. Step 3: Cross multiply
    98,035.45x = 135,277.81 × 55,009.32
  4. Step 4: Simplify right side
    98,035.45x = 7,441,540,339.19
  5. Step 5: Solve for x
    x = 7,441,540,339.19/98,035.45
  6. Step 6: Final answer
    x = 75,906.63

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1.5x scale

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.