Home / 53,118.51-79,685.93-18,049.96

Finding the Fourth Proportional to 53,118.51, 79,685.93 and 18,049.96

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Solution

The fourth proportional to 53,118.51, 79,685.93 and 18,049.96 is: 27,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.51 : 79,685.93 = 18,049.96 : x
  2. Step 2: Convert to fraction form
    53,118.51/79,685.93 = 18,049.96/x
  3. Step 3: Cross multiply
    53,118.51x = 79,685.93 × 18,049.96
  4. Step 4: Simplify right side
    53,118.51x = 1,438,327,849.06
  5. Step 5: Solve for x
    x = 1,438,327,849.06/53,118.51
  6. Step 6: Final answer
    x = 27,077.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.