Home / 52,112.01-78,167.97-12,668.88

Finding the Fourth Proportional to 52,112.01, 78,167.97 and 12,668.88

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Solution

The fourth proportional to 52,112.01, 78,167.97 and 12,668.88 is: 19,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.01 : 78,167.97 = 12,668.88 : x
  2. Step 2: Convert to fraction form
    52,112.01/78,167.97 = 12,668.88/x
  3. Step 3: Cross multiply
    52,112.01x = 78,167.97 × 12,668.88
  4. Step 4: Simplify right side
    52,112.01x = 990,300,631.77
  5. Step 5: Solve for x
    x = 990,300,631.77/52,112.01
  6. Step 6: Final answer
    x = 19,003.31

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1.5x scale

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.