Home / 123,927.72-185,739.30-57,277.68

Finding the Fourth Proportional to 123,927.72, 185,739.30 and 57,277.68

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Solution

The fourth proportional to 123,927.72, 185,739.30 and 57,277.68 is: 85,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.72 : 185,739.30 = 57,277.68 : x
  2. Step 2: Convert to fraction form
    123,927.72/185,739.30 = 57,277.68/x
  3. Step 3: Cross multiply
    123,927.72x = 185,739.30 × 57,277.68
  4. Step 4: Simplify right side
    123,927.72x = 10,638,716,188.82
  5. Step 5: Solve for x
    x = 10,638,716,188.82/123,927.72
  6. Step 6: Final answer
    x = 85,846.14

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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.