Home / 77,982.72-107,616.80-44,450.88

Finding the Fourth Proportional to 77,982.72, 107,616.80 and 44,450.88

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Solution

The fourth proportional to 77,982.72, 107,616.80 and 44,450.88 is: 61,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,982.72 : 107,616.80 = 44,450.88 : x
  2. Step 2: Convert to fraction form
    77,982.72/107,616.80 = 44,450.88/x
  3. Step 3: Cross multiply
    77,982.72x = 107,616.80 × 44,450.88
  4. Step 4: Simplify right side
    77,982.72x = 4,783,661,462.78
  5. Step 5: Solve for x
    x = 4,783,661,462.78/77,982.72
  6. Step 6: Final answer
    x = 61,342.58

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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.