Home / 45,548.01-68,314.26-12,260.65

Finding the Fourth Proportional to 45,548.01, 68,314.26 and 12,260.65

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Solution

The fourth proportional to 45,548.01, 68,314.26 and 12,260.65 is: 18,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.01 : 68,314.26 = 12,260.65 : x
  2. Step 2: Convert to fraction form
    45,548.01/68,314.26 = 12,260.65/x
  3. Step 3: Cross multiply
    45,548.01x = 68,314.26 × 12,260.65
  4. Step 4: Simplify right side
    45,548.01x = 837,577,231.87
  5. Step 5: Solve for x
    x = 837,577,231.87/45,548.01
  6. Step 6: Final answer
    x = 18,388.89

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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.