Home / 122,728.98-184,095.75-38,487.27

Finding the Fourth Proportional to 122,728.98, 184,095.75 and 38,487.27

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Solution

The fourth proportional to 122,728.98, 184,095.75 and 38,487.27 is: 57,731.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,728.98 : 184,095.75 = 38,487.27 : x
  2. Step 2: Convert to fraction form
    122,728.98/184,095.75 = 38,487.27/x
  3. Step 3: Cross multiply
    122,728.98x = 184,095.75 × 38,487.27
  4. Step 4: Simplify right side
    122,728.98x = 7,085,342,836.10
  5. Step 5: Solve for x
    x = 7,085,342,836.10/122,728.98
  6. Step 6: Final answer
    x = 57,731.62

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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.