Home / 82,555.44-123,772.64-26,363.16

Finding the Fourth Proportional to 82,555.44, 123,772.64 and 26,363.16

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Solution

The fourth proportional to 82,555.44, 123,772.64 and 26,363.16 is: 39,525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,555.44 : 123,772.64 = 26,363.16 : x
  2. Step 2: Convert to fraction form
    82,555.44/123,772.64 = 26,363.16/x
  3. Step 3: Cross multiply
    82,555.44x = 123,772.64 × 26,363.16
  4. Step 4: Simplify right side
    82,555.44x = 3,263,037,780.13
  5. Step 5: Solve for x
    x = 3,263,037,780.13/82,555.44
  6. Step 6: Final answer
    x = 39,525.41

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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.