Home / 77,212.37-115,600.16-49,062.65

Finding the Fourth Proportional to 77,212.37, 115,600.16 and 49,062.65

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Solution

The fourth proportional to 77,212.37, 115,600.16 and 49,062.65 is: 73,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.37 : 115,600.16 = 49,062.65 : x
  2. Step 2: Convert to fraction form
    77,212.37/115,600.16 = 49,062.65/x
  3. Step 3: Cross multiply
    77,212.37x = 115,600.16 × 49,062.65
  4. Step 4: Simplify right side
    77,212.37x = 5,671,649,734.68
  5. Step 5: Solve for x
    x = 5,671,649,734.68/77,212.37
  6. Step 6: Final answer
    x = 73,455.19

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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.