Home / 80,524.33-111,130.58-44,721.32

Finding the Fourth Proportional to 80,524.33, 111,130.58 and 44,721.32

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Solution

The fourth proportional to 80,524.33, 111,130.58 and 44,721.32 is: 61,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,524.33 : 111,130.58 = 44,721.32 : x
  2. Step 2: Convert to fraction form
    80,524.33/111,130.58 = 44,721.32/x
  3. Step 3: Cross multiply
    80,524.33x = 111,130.58 × 44,721.32
  4. Step 4: Simplify right side
    80,524.33x = 4,969,905,786.12
  5. Step 5: Solve for x
    x = 4,969,905,786.12/80,524.33
  6. Step 6: Final answer
    x = 61,719.31

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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.