Home / 53,162.19-79,758.88-15,723.25

Finding the Fourth Proportional to 53,162.19, 79,758.88 and 15,723.25

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Solution

The fourth proportional to 53,162.19, 79,758.88 and 15,723.25 is: 23,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.19 : 79,758.88 = 15,723.25 : x
  2. Step 2: Convert to fraction form
    53,162.19/79,758.88 = 15,723.25/x
  3. Step 3: Cross multiply
    53,162.19x = 79,758.88 × 15,723.25
  4. Step 4: Simplify right side
    53,162.19x = 1,254,068,571.25
  5. Step 5: Solve for x
    x = 1,254,068,571.25/53,162.19
  6. Step 6: Final answer
    x = 23,589.48

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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.