Home / 77,253.90-115,858.53-35,110.50

Finding the Fourth Proportional to 77,253.90, 115,858.53 and 35,110.50

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Solution

The fourth proportional to 77,253.90, 115,858.53 and 35,110.50 is: 52,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253.90 : 115,858.53 = 35,110.50 : x
  2. Step 2: Convert to fraction form
    77,253.90/115,858.53 = 35,110.50/x
  3. Step 3: Cross multiply
    77,253.90x = 115,858.53 × 35,110.50
  4. Step 4: Simplify right side
    77,253.90x = 4,067,850,917.57
  5. Step 5: Solve for x
    x = 4,067,850,917.57/77,253.90
  6. Step 6: Final answer
    x = 52,655.61

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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.