Home / 77,844.21-107,424.52-43,863.64

Finding the Fourth Proportional to 77,844.21, 107,424.52 and 43,863.64

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Solution

The fourth proportional to 77,844.21, 107,424.52 and 43,863.64 is: 60,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.21 : 107,424.52 = 43,863.64 : x
  2. Step 2: Convert to fraction form
    77,844.21/107,424.52 = 43,863.64/x
  3. Step 3: Cross multiply
    77,844.21x = 107,424.52 × 43,863.64
  4. Step 4: Simplify right side
    77,844.21x = 4,712,030,698.50
  5. Step 5: Solve for x
    x = 4,712,030,698.50/77,844.21
  6. Step 6: Final answer
    x = 60,531.55

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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.