Home / 45,149.76-67,701.88-26,435.44

Finding the Fourth Proportional to 45,149.76, 67,701.88 and 26,435.44

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Solution

The fourth proportional to 45,149.76, 67,701.88 and 26,435.44 is: 39,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,149.76 : 67,701.88 = 26,435.44 : x
  2. Step 2: Convert to fraction form
    45,149.76/67,701.88 = 26,435.44/x
  3. Step 3: Cross multiply
    45,149.76x = 67,701.88 × 26,435.44
  4. Step 4: Simplify right side
    45,149.76x = 1,789,728,986.63
  5. Step 5: Solve for x
    x = 1,789,728,986.63/45,149.76
  6. Step 6: Final answer
    x = 39,639.83

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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.