Home / 88,419.54-122,005.26-50,686.50

Finding the Fourth Proportional to 88,419.54, 122,005.26 and 50,686.50

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Solution

The fourth proportional to 88,419.54, 122,005.26 and 50,686.50 is: 69,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,419.54 : 122,005.26 = 50,686.50 : x
  2. Step 2: Convert to fraction form
    88,419.54/122,005.26 = 50,686.50/x
  3. Step 3: Cross multiply
    88,419.54x = 122,005.26 × 50,686.50
  4. Step 4: Simplify right side
    88,419.54x = 6,184,019,610.99
  5. Step 5: Solve for x
    x = 6,184,019,610.99/88,419.54
  6. Step 6: Final answer
    x = 69,939.51

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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.