Home / 104,847.02-157,139.38-82,572.44

Finding the Fourth Proportional to 104,847.02, 157,139.38 and 82,572.44

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Solution

The fourth proportional to 104,847.02, 157,139.38 and 82,572.44 is: 123,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,847.02 : 157,139.38 = 82,572.44 : x
  2. Step 2: Convert to fraction form
    104,847.02/157,139.38 = 82,572.44/x
  3. Step 3: Cross multiply
    104,847.02x = 157,139.38 × 82,572.44
  4. Step 4: Simplify right side
    104,847.02x = 12,975,382,026.69
  5. Step 5: Solve for x
    x = 12,975,382,026.69/104,847.02
  6. Step 6: Final answer
    x = 123,755.37

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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.