Home / 55,873.58-77,105.84-30,380.19

Finding the Fourth Proportional to 55,873.58, 77,105.84 and 30,380.19

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Solution

The fourth proportional to 55,873.58, 77,105.84 and 30,380.19 is: 41,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,873.58 : 77,105.84 = 30,380.19 : x
  2. Step 2: Convert to fraction form
    55,873.58/77,105.84 = 30,380.19/x
  3. Step 3: Cross multiply
    55,873.58x = 77,105.84 × 30,380.19
  4. Step 4: Simplify right side
    55,873.58x = 2,342,490,145.26
  5. Step 5: Solve for x
    x = 2,342,490,145.26/55,873.58
  6. Step 6: Final answer
    x = 41,924.83

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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.