Home / 53,169.56-79,754.34-15,726.72

Finding the Fourth Proportional to 53,169.56, 79,754.34 and 15,726.72

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Solution

The fourth proportional to 53,169.56, 79,754.34 and 15,726.72 is: 23,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169.56 : 79,754.34 = 15,726.72 : x
  2. Step 2: Convert to fraction form
    53,169.56/79,754.34 = 15,726.72/x
  3. Step 3: Cross multiply
    53,169.56x = 79,754.34 × 15,726.72
  4. Step 4: Simplify right side
    53,169.56x = 1,254,274,173.96
  5. Step 5: Solve for x
    x = 1,254,274,173.96/53,169.56
  6. Step 6: Final answer
    x = 23,590.08

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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.