Home / 53,859.35-74,324.63-29,985.54

Finding the Fourth Proportional to 53,859.35, 74,324.63 and 29,985.54

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Solution

The fourth proportional to 53,859.35, 74,324.63 and 29,985.54 is: 41,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.35 : 74,324.63 = 29,985.54 : x
  2. Step 2: Convert to fraction form
    53,859.35/74,324.63 = 29,985.54/x
  3. Step 3: Cross multiply
    53,859.35x = 74,324.63 × 29,985.54
  4. Step 4: Simplify right side
    53,859.35x = 2,228,664,015.92
  5. Step 5: Solve for x
    x = 2,228,664,015.92/53,859.35
  6. Step 6: Final answer
    x = 41,379.34

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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.