Home / 123,824.43-185,763.32-38,433.51

Finding the Fourth Proportional to 123,824.43, 185,763.32 and 38,433.51

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Solution

The fourth proportional to 123,824.43, 185,763.32 and 38,433.51 is: 57,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,824.43 : 185,763.32 = 38,433.51 : x
  2. Step 2: Convert to fraction form
    123,824.43/185,763.32 = 38,433.51/x
  3. Step 3: Cross multiply
    123,824.43x = 185,763.32 × 38,433.51
  4. Step 4: Simplify right side
    123,824.43x = 7,139,536,416.85
  5. Step 5: Solve for x
    x = 7,139,536,416.85/123,824.43
  6. Step 6: Final answer
    x = 57,658.54

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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.