Home / 45,515.10-68,272.65-37,739.10

Finding the Fourth Proportional to 45,515.10, 68,272.65 and 37,739.10

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Solution

The fourth proportional to 45,515.10, 68,272.65 and 37,739.10 is: 56,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.10 : 68,272.65 = 37,739.10 : x
  2. Step 2: Convert to fraction form
    45,515.10/68,272.65 = 37,739.10/x
  3. Step 3: Cross multiply
    45,515.10x = 68,272.65 × 37,739.10
  4. Step 4: Simplify right side
    45,515.10x = 2,576,548,365.62
  5. Step 5: Solve for x
    x = 2,576,548,365.62/45,515.10
  6. Step 6: Final answer
    x = 56,608.65

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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.