Home / 123,603.52-185,339.62-57,009.36

Finding the Fourth Proportional to 123,603.52, 185,339.62 and 57,009.36

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Solution

The fourth proportional to 123,603.52, 185,339.62 and 57,009.36 is: 85,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,603.52 : 185,339.62 = 57,009.36 : x
  2. Step 2: Convert to fraction form
    123,603.52/185,339.62 = 57,009.36/x
  3. Step 3: Cross multiply
    123,603.52x = 185,339.62 × 57,009.36
  4. Step 4: Simplify right side
    123,603.52x = 10,566,093,118.84
  5. Step 5: Solve for x
    x = 10,566,093,118.84/123,603.52
  6. Step 6: Final answer
    x = 85,483.76

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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.