Home / 123,768.14-185,622.44-57,144.26

Finding the Fourth Proportional to 123,768.14, 185,622.44 and 57,144.26

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Solution

The fourth proportional to 123,768.14, 185,622.44 and 57,144.26 is: 85,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,768.14 : 185,622.44 = 57,144.26 : x
  2. Step 2: Convert to fraction form
    123,768.14/185,622.44 = 57,144.26/x
  3. Step 3: Cross multiply
    123,768.14x = 185,622.44 × 57,144.26
  4. Step 4: Simplify right side
    123,768.14x = 10,607,256,973.19
  5. Step 5: Solve for x
    x = 10,607,256,973.19/123,768.14
  6. Step 6: Final answer
    x = 85,702.65

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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.