Home / 52,110.58-78,146.72-17,906.65

Finding the Fourth Proportional to 52,110.58, 78,146.72 and 17,906.65

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Solution

The fourth proportional to 52,110.58, 78,146.72 and 17,906.65 is: 26,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.58 : 78,146.72 = 17,906.65 : x
  2. Step 2: Convert to fraction form
    52,110.58/78,146.72 = 17,906.65/x
  3. Step 3: Cross multiply
    52,110.58x = 78,146.72 × 17,906.65
  4. Step 4: Simplify right side
    52,110.58x = 1,399,346,193.91
  5. Step 5: Solve for x
    x = 1,399,346,193.91/52,110.58
  6. Step 6: Final answer
    x = 26,853.40

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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.