Home / 55,212.42-82,832.40-25,651.20

Finding the Fourth Proportional to 55,212.42, 82,832.40 and 25,651.20

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Solution

The fourth proportional to 55,212.42, 82,832.40 and 25,651.20 is: 38,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.42 : 82,832.40 = 25,651.20 : x
  2. Step 2: Convert to fraction form
    55,212.42/82,832.40 = 25,651.20/x
  3. Step 3: Cross multiply
    55,212.42x = 82,832.40 × 25,651.20
  4. Step 4: Simplify right side
    55,212.42x = 2,124,750,458.88
  5. Step 5: Solve for x
    x = 2,124,750,458.88/55,212.42
  6. Step 6: Final answer
    x = 38,483.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.