Home / 95,768.04-143,779.02-81,817.71

Finding the Fourth Proportional to 95,768.04, 143,779.02 and 81,817.71

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Solution

The fourth proportional to 95,768.04, 143,779.02 and 81,817.71 is: 122,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,768.04 : 143,779.02 = 81,817.71 : x
  2. Step 2: Convert to fraction form
    95,768.04/143,779.02 = 81,817.71/x
  3. Step 3: Cross multiply
    95,768.04x = 143,779.02 × 81,817.71
  4. Step 4: Simplify right side
    95,768.04x = 11,763,670,162.44
  5. Step 5: Solve for x
    x = 11,763,670,162.44/95,768.04
  6. Step 6: Final answer
    x = 122,835.03

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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.