Home / 45,173.15-67,763.22-13,580.75

Finding the Fourth Proportional to 45,173.15, 67,763.22 and 13,580.75

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Solution

The fourth proportional to 45,173.15, 67,763.22 and 13,580.75 is: 20,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,173.15 : 67,763.22 = 13,580.75 : x
  2. Step 2: Convert to fraction form
    45,173.15/67,763.22 = 13,580.75/x
  3. Step 3: Cross multiply
    45,173.15x = 67,763.22 × 13,580.75
  4. Step 4: Simplify right side
    45,173.15x = 920,275,350.02
  5. Step 5: Solve for x
    x = 920,275,350.02/45,173.15
  6. Step 6: Final answer
    x = 20,372.18

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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.