Home / 122,727.52-184,144.59-66,607.28

Finding the Fourth Proportional to 122,727.52, 184,144.59 and 66,607.28

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Solution

The fourth proportional to 122,727.52, 184,144.59 and 66,607.28 is: 99,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,727.52 : 184,144.59 = 66,607.28 : x
  2. Step 2: Convert to fraction form
    122,727.52/184,144.59 = 66,607.28/x
  3. Step 3: Cross multiply
    122,727.52x = 184,144.59 × 66,607.28
  4. Step 4: Simplify right side
    122,727.52x = 12,265,370,036.43
  5. Step 5: Solve for x
    x = 12,265,370,036.43/122,727.52
  6. Step 6: Final answer
    x = 99,939.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.