Home / 104,845.53-157,137.13-82,570.93

Finding the Fourth Proportional to 104,845.53, 157,137.13 and 82,570.93

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Solution

The fourth proportional to 104,845.53, 157,137.13 and 82,570.93 is: 123,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,845.53 : 157,137.13 = 82,570.93 : x
  2. Step 2: Convert to fraction form
    104,845.53/157,137.13 = 82,570.93/x
  3. Step 3: Cross multiply
    104,845.53x = 157,137.13 × 82,570.93
  4. Step 4: Simplify right side
    104,845.53x = 12,974,958,961.63
  5. Step 5: Solve for x
    x = 12,974,958,961.63/104,845.53
  6. Step 6: Final answer
    x = 123,753.10

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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.