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Finding the Fourth Proportional to 95,772.60, 143,610.84 and 55,804.50

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Solution

The fourth proportional to 95,772.60, 143,610.84 and 55,804.50 is: 83,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,772.60 : 143,610.84 = 55,804.50 : x
  2. Step 2: Convert to fraction form
    95,772.60/143,610.84 = 55,804.50/x
  3. Step 3: Cross multiply
    95,772.60x = 143,610.84 × 55,804.50
  4. Step 4: Simplify right side
    95,772.60x = 8,014,131,120.78
  5. Step 5: Solve for x
    x = 8,014,131,120.78/95,772.60
  6. Step 6: Final answer
    x = 83,678.75

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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.