Home / 53,745.29-74,165.31-29,871.14

Finding the Fourth Proportional to 53,745.29, 74,165.31 and 29,871.14

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Solution

The fourth proportional to 53,745.29, 74,165.31 and 29,871.14 is: 41,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,745.29 : 74,165.31 = 29,871.14 : x
  2. Step 2: Convert to fraction form
    53,745.29/74,165.31 = 29,871.14/x
  3. Step 3: Cross multiply
    53,745.29x = 74,165.31 × 29,871.14
  4. Step 4: Simplify right side
    53,745.29x = 2,215,402,543.57
  5. Step 5: Solve for x
    x = 2,215,402,543.57/53,745.29
  6. Step 6: Final answer
    x = 41,220.41

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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.