Home / 88,749.05-122,474.36-50,511.51

Finding the Fourth Proportional to 88,749.05, 122,474.36 and 50,511.51

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Solution

The fourth proportional to 88,749.05, 122,474.36 and 50,511.51 is: 69,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,749.05 : 122,474.36 = 50,511.51 : x
  2. Step 2: Convert to fraction form
    88,749.05/122,474.36 = 50,511.51/x
  3. Step 3: Cross multiply
    88,749.05x = 122,474.36 × 50,511.51
  4. Step 4: Simplify right side
    88,749.05x = 6,186,364,607.33
  5. Step 5: Solve for x
    x = 6,186,364,607.33/88,749.05
  6. Step 6: Final answer
    x = 69,706.27

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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.