Home / 45,707.10-68,560.65-43,738.80

Finding the Fourth Proportional to 45,707.10, 68,560.65 and 43,738.80

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Solution

The fourth proportional to 45,707.10, 68,560.65 and 43,738.80 is: 65,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.10 : 68,560.65 = 43,738.80 : x
  2. Step 2: Convert to fraction form
    45,707.10/68,560.65 = 43,738.80/x
  3. Step 3: Cross multiply
    45,707.10x = 68,560.65 × 43,738.80
  4. Step 4: Simplify right side
    45,707.10x = 2,998,760,558.22
  5. Step 5: Solve for x
    x = 2,998,760,558.22/45,707.10
  6. Step 6: Final answer
    x = 65,608.20

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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.