Home / 80,539.77-111,141.81-44,732.07

Finding the Fourth Proportional to 80,539.77, 111,141.81 and 44,732.07

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Solution

The fourth proportional to 80,539.77, 111,141.81 and 44,732.07 is: 61,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.77 : 111,141.81 = 44,732.07 : x
  2. Step 2: Convert to fraction form
    80,539.77/111,141.81 = 44,732.07/x
  3. Step 3: Cross multiply
    80,539.77x = 111,141.81 × 44,732.07
  4. Step 4: Simplify right side
    80,539.77x = 4,971,603,224.85
  5. Step 5: Solve for x
    x = 4,971,603,224.85/80,539.77
  6. Step 6: Final answer
    x = 61,728.55

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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.