Home / 45,847.29-68,763.55-12,559.57

Finding the Fourth Proportional to 45,847.29, 68,763.55 and 12,559.57

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Solution

The fourth proportional to 45,847.29, 68,763.55 and 12,559.57 is: 18,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,847.29 : 68,763.55 = 12,559.57 : x
  2. Step 2: Convert to fraction form
    45,847.29/68,763.55 = 12,559.57/x
  3. Step 3: Cross multiply
    45,847.29x = 68,763.55 × 12,559.57
  4. Step 4: Simplify right side
    45,847.29x = 863,640,619.67
  5. Step 5: Solve for x
    x = 863,640,619.67/45,847.29
  6. Step 6: Final answer
    x = 18,837.33

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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.