Home / 123,431.84-185,109.40-44,535.80

Finding the Fourth Proportional to 123,431.84, 185,109.40 and 44,535.80

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Solution

The fourth proportional to 123,431.84, 185,109.40 and 44,535.80 is: 66,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,431.84 : 185,109.40 = 44,535.80 : x
  2. Step 2: Convert to fraction form
    123,431.84/185,109.40 = 44,535.80/x
  3. Step 3: Cross multiply
    123,431.84x = 185,109.40 × 44,535.80
  4. Step 4: Simplify right side
    123,431.84x = 8,243,995,216.52
  5. Step 5: Solve for x
    x = 8,243,995,216.52/123,431.84
  6. Step 6: Final answer
    x = 66,789.86

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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.