Home / 84,295.44-126,443.16-25,172.64

Finding the Fourth Proportional to 84,295.44, 126,443.16 and 25,172.64

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Solution

The fourth proportional to 84,295.44, 126,443.16 and 25,172.64 is: 37,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,295.44 : 126,443.16 = 25,172.64 : x
  2. Step 2: Convert to fraction form
    84,295.44/126,443.16 = 25,172.64/x
  3. Step 3: Cross multiply
    84,295.44x = 126,443.16 × 25,172.64
  4. Step 4: Simplify right side
    84,295.44x = 3,182,908,147.14
  5. Step 5: Solve for x
    x = 3,182,908,147.14/84,295.44
  6. Step 6: Final answer
    x = 37,758.96

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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.