Home / 53,829.24-74,288.39-31,174.35

Finding the Fourth Proportional to 53,829.24, 74,288.39 and 31,174.35

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Solution

The fourth proportional to 53,829.24, 74,288.39 and 31,174.35 is: 43,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.24 : 74,288.39 = 31,174.35 : x
  2. Step 2: Convert to fraction form
    53,829.24/74,288.39 = 31,174.35/x
  3. Step 3: Cross multiply
    53,829.24x = 74,288.39 × 31,174.35
  4. Step 4: Simplify right side
    53,829.24x = 2,315,892,114.92
  5. Step 5: Solve for x
    x = 2,315,892,114.92/53,829.24
  6. Step 6: Final answer
    x = 43,022.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.