Home / 52,604.13-78,905.85-13,161.23

Finding the Fourth Proportional to 52,604.13, 78,905.85 and 13,161.23

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Solution

The fourth proportional to 52,604.13, 78,905.85 and 13,161.23 is: 19,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.13 : 78,905.85 = 13,161.23 : x
  2. Step 2: Convert to fraction form
    52,604.13/78,905.85 = 13,161.23/x
  3. Step 3: Cross multiply
    52,604.13x = 78,905.85 × 13,161.23
  4. Step 4: Simplify right side
    52,604.13x = 1,038,498,336.05
  5. Step 5: Solve for x
    x = 1,038,498,336.05/52,604.13
  6. Step 6: Final answer
    x = 19,741.76

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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.