Home / 80,670.06-111,323.16-44,859.76

Finding the Fourth Proportional to 80,670.06, 111,323.16 and 44,859.76

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Solution

The fourth proportional to 80,670.06, 111,323.16 and 44,859.76 is: 61,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,670.06 : 111,323.16 = 44,859.76 : x
  2. Step 2: Convert to fraction form
    80,670.06/111,323.16 = 44,859.76/x
  3. Step 3: Cross multiply
    80,670.06x = 111,323.16 × 44,859.76
  4. Step 4: Simplify right side
    80,670.06x = 4,993,929,961.73
  5. Step 5: Solve for x
    x = 4,993,929,961.73/80,670.06
  6. Step 6: Final answer
    x = 61,905.62

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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.