Home / 80,056.86-120,091.53-46,780.38

Finding the Fourth Proportional to 80,056.86, 120,091.53 and 46,780.38

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Solution

The fourth proportional to 80,056.86, 120,091.53 and 46,780.38 is: 70,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.86 : 120,091.53 = 46,780.38 : x
  2. Step 2: Convert to fraction form
    80,056.86/120,091.53 = 46,780.38/x
  3. Step 3: Cross multiply
    80,056.86x = 120,091.53 × 46,780.38
  4. Step 4: Simplify right side
    80,056.86x = 5,617,927,408.18
  5. Step 5: Solve for x
    x = 5,617,927,408.18/80,056.86
  6. Step 6: Final answer
    x = 70,174.22

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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.