Home / 55,278.22-82,858.16-28,597.30

Finding the Fourth Proportional to 55,278.22, 82,858.16 and 28,597.30

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Solution

The fourth proportional to 55,278.22, 82,858.16 and 28,597.30 is: 42,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.22 : 82,858.16 = 28,597.30 : x
  2. Step 2: Convert to fraction form
    55,278.22/82,858.16 = 28,597.30/x
  3. Step 3: Cross multiply
    55,278.22x = 82,858.16 × 28,597.30
  4. Step 4: Simplify right side
    55,278.22x = 2,369,519,658.97
  5. Step 5: Solve for x
    x = 2,369,519,658.97/55,278.22
  6. Step 6: Final answer
    x = 42,865.34

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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.