Home / 51,987.89-71,742.92-29,327.06

Finding the Fourth Proportional to 51,987.89, 71,742.92 and 29,327.06

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Solution

The fourth proportional to 51,987.89, 71,742.92 and 29,327.06 is: 40,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.89 : 71,742.92 = 29,327.06 : x
  2. Step 2: Convert to fraction form
    51,987.89/71,742.92 = 29,327.06/x
  3. Step 3: Cross multiply
    51,987.89x = 71,742.92 × 29,327.06
  4. Step 4: Simplify right side
    51,987.89x = 2,104,008,952.14
  5. Step 5: Solve for x
    x = 2,104,008,952.14/51,987.89
  6. Step 6: Final answer
    x = 40,471.13

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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.