Home / 123,424.44-185,107.72-34,686.40

Finding the Fourth Proportional to 123,424.44, 185,107.72 and 34,686.40

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Solution

The fourth proportional to 123,424.44, 185,107.72 and 34,686.40 is: 52,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,424.44 : 185,107.72 = 34,686.40 : x
  2. Step 2: Convert to fraction form
    123,424.44/185,107.72 = 34,686.40/x
  3. Step 3: Cross multiply
    123,424.44x = 185,107.72 × 34,686.40
  4. Step 4: Simplify right side
    123,424.44x = 6,420,720,419.01
  5. Step 5: Solve for x
    x = 6,420,720,419.01/123,424.44
  6. Step 6: Final answer
    x = 52,021.47

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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.