Home / 80,968.14-111,732.21-44,670.76

Finding the Fourth Proportional to 80,968.14, 111,732.21 and 44,670.76

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Solution

The fourth proportional to 80,968.14, 111,732.21 and 44,670.76 is: 61,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,968.14 : 111,732.21 = 44,670.76 : x
  2. Step 2: Convert to fraction form
    80,968.14/111,732.21 = 44,670.76/x
  3. Step 3: Cross multiply
    80,968.14x = 111,732.21 × 44,670.76
  4. Step 4: Simplify right side
    80,968.14x = 4,991,162,457.85
  5. Step 5: Solve for x
    x = 4,991,162,457.85/80,968.14
  6. Step 6: Final answer
    x = 61,643.54

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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.