Home / 52,415.91-78,589.22-19,129.77

Finding the Fourth Proportional to 52,415.91, 78,589.22 and 19,129.77

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Solution

The fourth proportional to 52,415.91, 78,589.22 and 19,129.77 is: 28,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.91 : 78,589.22 = 19,129.77 : x
  2. Step 2: Convert to fraction form
    52,415.91/78,589.22 = 19,129.77/x
  3. Step 3: Cross multiply
    52,415.91x = 78,589.22 × 19,129.77
  4. Step 4: Simplify right side
    52,415.91x = 1,503,393,607.43
  5. Step 5: Solve for x
    x = 1,503,393,607.43/52,415.91
  6. Step 6: Final answer
    x = 28,682.01

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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.