Home / 53,015.31-73,162.12-29,141.97

Finding the Fourth Proportional to 53,015.31, 73,162.12 and 29,141.97

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Solution

The fourth proportional to 53,015.31, 73,162.12 and 29,141.97 is: 40,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.31 : 73,162.12 = 29,141.97 : x
  2. Step 2: Convert to fraction form
    53,015.31/73,162.12 = 29,141.97/x
  3. Step 3: Cross multiply
    53,015.31x = 73,162.12 × 29,141.97
  4. Step 4: Simplify right side
    53,015.31x = 2,132,088,306.18
  5. Step 5: Solve for x
    x = 2,132,088,306.18/53,015.31
  6. Step 6: Final answer
    x = 40,216.47

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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.