Home / 45,033.03-67,559.16-13,445.56

Finding the Fourth Proportional to 45,033.03, 67,559.16 and 13,445.56

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Solution

The fourth proportional to 45,033.03, 67,559.16 and 13,445.56 is: 20,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,033.03 : 67,559.16 = 13,445.56 : x
  2. Step 2: Convert to fraction form
    45,033.03/67,559.16 = 13,445.56/x
  3. Step 3: Cross multiply
    45,033.03x = 67,559.16 × 13,445.56
  4. Step 4: Simplify right side
    45,033.03x = 908,370,874.20
  5. Step 5: Solve for x
    x = 908,370,874.20/45,033.03
  6. Step 6: Final answer
    x = 20,171.21

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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.