Home / 77,939.56-107,563.62-44,416.36

Finding the Fourth Proportional to 77,939.56, 107,563.62 and 44,416.36

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Solution

The fourth proportional to 77,939.56, 107,563.62 and 44,416.36 is: 61,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939.56 : 107,563.62 = 44,416.36 : x
  2. Step 2: Convert to fraction form
    77,939.56/107,563.62 = 44,416.36/x
  3. Step 3: Cross multiply
    77,939.56x = 107,563.62 × 44,416.36
  4. Step 4: Simplify right side
    77,939.56x = 4,777,584,468.82
  5. Step 5: Solve for x
    x = 4,777,584,468.82/77,939.56
  6. Step 6: Final answer
    x = 61,298.58

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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.