Home / 122,718.72-184,042.44-47,822.16

Finding the Fourth Proportional to 122,718.72, 184,042.44 and 47,822.16

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Solution

The fourth proportional to 122,718.72, 184,042.44 and 47,822.16 is: 71,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.72 : 184,042.44 = 47,822.16 : x
  2. Step 2: Convert to fraction form
    122,718.72/184,042.44 = 47,822.16/x
  3. Step 3: Cross multiply
    122,718.72x = 184,042.44 × 47,822.16
  4. Step 4: Simplify right side
    122,718.72x = 8,801,307,012.47
  5. Step 5: Solve for x
    x = 8,801,307,012.47/122,718.72
  6. Step 6: Final answer
    x = 71,719.35

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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.