Home / 76,677.74-115,027.38-26,750.54

Finding the Fourth Proportional to 76,677.74, 115,027.38 and 26,750.54

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Solution

The fourth proportional to 76,677.74, 115,027.38 and 26,750.54 is: 40,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.74 : 115,027.38 = 26,750.54 : x
  2. Step 2: Convert to fraction form
    76,677.74/115,027.38 = 26,750.54/x
  3. Step 3: Cross multiply
    76,677.74x = 115,027.38 × 26,750.54
  4. Step 4: Simplify right side
    76,677.74x = 3,077,044,529.79
  5. Step 5: Solve for x
    x = 3,077,044,529.79/76,677.74
  6. Step 6: Final answer
    x = 40,129.57

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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.