Home / 104,118.53-143,683.38-56,371.86

Finding the Fourth Proportional to 104,118.53, 143,683.38 and 56,371.86

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Solution

The fourth proportional to 104,118.53, 143,683.38 and 56,371.86 is: 77,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.53 : 143,683.38 = 56,371.86 : x
  2. Step 2: Convert to fraction form
    104,118.53/143,683.38 = 56,371.86/x
  3. Step 3: Cross multiply
    104,118.53x = 143,683.38 × 56,371.86
  4. Step 4: Simplify right side
    104,118.53x = 8,099,699,381.69
  5. Step 5: Solve for x
    x = 8,099,699,381.69/104,118.53
  6. Step 6: Final answer
    x = 77,793.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.