Home / 107,967.58-149,043.04-69,745.77

Finding the Fourth Proportional to 107,967.58, 149,043.04 and 69,745.77

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Solution

The fourth proportional to 107,967.58, 149,043.04 and 69,745.77 is: 96,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,967.58 : 149,043.04 = 69,745.77 : x
  2. Step 2: Convert to fraction form
    107,967.58/149,043.04 = 69,745.77/x
  3. Step 3: Cross multiply
    107,967.58x = 149,043.04 × 69,745.77
  4. Step 4: Simplify right side
    107,967.58x = 10,395,121,587.94
  5. Step 5: Solve for x
    x = 10,395,121,587.94/107,967.58
  6. Step 6: Final answer
    x = 96,280.03

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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.