Home / 45,152.76-67,706.38-26,438.44

Finding the Fourth Proportional to 45,152.76, 67,706.38 and 26,438.44

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Solution

The fourth proportional to 45,152.76, 67,706.38 and 26,438.44 is: 39,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,152.76 : 67,706.38 = 26,438.44 : x
  2. Step 2: Convert to fraction form
    45,152.76/67,706.38 = 26,438.44/x
  3. Step 3: Cross multiply
    45,152.76x = 67,706.38 × 26,438.44
  4. Step 4: Simplify right side
    45,152.76x = 1,790,051,065.25
  5. Step 5: Solve for x
    x = 1,790,051,065.25/45,152.76
  6. Step 6: Final answer
    x = 39,644.33

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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.