Home / 55,425.62-76,464.72-40,924.56

Finding the Fourth Proportional to 55,425.62, 76,464.72 and 40,924.56

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Solution

The fourth proportional to 55,425.62, 76,464.72 and 40,924.56 is: 56,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.62 : 76,464.72 = 40,924.56 : x
  2. Step 2: Convert to fraction form
    55,425.62/76,464.72 = 40,924.56/x
  3. Step 3: Cross multiply
    55,425.62x = 76,464.72 × 40,924.56
  4. Step 4: Simplify right side
    55,425.62x = 3,129,285,021.52
  5. Step 5: Solve for x
    x = 3,129,285,021.52/55,425.62
  6. Step 6: Final answer
    x = 56,459.18

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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.