Home / 104,119.53-143,684.76-56,372.86

Finding the Fourth Proportional to 104,119.53, 143,684.76 and 56,372.86

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Solution

The fourth proportional to 104,119.53, 143,684.76 and 56,372.86 is: 77,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,119.53 : 143,684.76 = 56,372.86 : x
  2. Step 2: Convert to fraction form
    104,119.53/143,684.76 = 56,372.86/x
  3. Step 3: Cross multiply
    104,119.53x = 143,684.76 × 56,372.86
  4. Step 4: Simplify right side
    104,119.53x = 8,099,920,859.61
  5. Step 5: Solve for x
    x = 8,099,920,859.61/104,119.53
  6. Step 6: Final answer
    x = 77,794.44

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1.5x scale

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.