Home / 81,115.99-111,946.58-44,820.59

Finding the Fourth Proportional to 81,115.99, 111,946.58 and 44,820.59

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Solution

The fourth proportional to 81,115.99, 111,946.58 and 44,820.59 is: 61,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,115.99 : 111,946.58 = 44,820.59 : x
  2. Step 2: Convert to fraction form
    81,115.99/111,946.58 = 44,820.59/x
  3. Step 3: Cross multiply
    81,115.99x = 111,946.58 × 44,820.59
  4. Step 4: Simplify right side
    81,115.99x = 5,017,511,764.08
  5. Step 5: Solve for x
    x = 5,017,511,764.08/81,115.99
  6. Step 6: Final answer
    x = 61,856.01

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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.