Home / 53,699.72-74,105.63-29,828.61

Finding the Fourth Proportional to 53,699.72, 74,105.63 and 29,828.61

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Solution

The fourth proportional to 53,699.72, 74,105.63 and 29,828.61 is: 41,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.72 : 74,105.63 = 29,828.61 : x
  2. Step 2: Convert to fraction form
    53,699.72/74,105.63 = 29,828.61/x
  3. Step 3: Cross multiply
    53,699.72x = 74,105.63 × 29,828.61
  4. Step 4: Simplify right side
    53,699.72x = 2,210,467,786.93
  5. Step 5: Solve for x
    x = 2,210,467,786.93/53,699.72
  6. Step 6: Final answer
    x = 41,163.49

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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.