Home / 55,961.58-77,226.84-30,811.08

Finding the Fourth Proportional to 55,961.58, 77,226.84 and 30,811.08

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Solution

The fourth proportional to 55,961.58, 77,226.84 and 30,811.08 is: 42,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.58 : 77,226.84 = 30,811.08 : x
  2. Step 2: Convert to fraction form
    55,961.58/77,226.84 = 30,811.08/x
  3. Step 3: Cross multiply
    55,961.58x = 77,226.84 × 30,811.08
  4. Step 4: Simplify right side
    55,961.58x = 2,379,442,345.39
  5. Step 5: Solve for x
    x = 2,379,442,345.39/55,961.58
  6. Step 6: Final answer
    x = 42,519.21

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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.