Home / 57,180.74-85,571.51-43,648.65

Finding the Fourth Proportional to 57,180.74, 85,571.51 and 43,648.65

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Solution

The fourth proportional to 57,180.74, 85,571.51 and 43,648.65 is: 65,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,180.74 : 85,571.51 = 43,648.65 : x
  2. Step 2: Convert to fraction form
    57,180.74/85,571.51 = 43,648.65/x
  3. Step 3: Cross multiply
    57,180.74x = 85,571.51 × 43,648.65
  4. Step 4: Simplify right side
    57,180.74x = 3,735,080,671.72
  5. Step 5: Solve for x
    x = 3,735,080,671.72/57,180.74
  6. Step 6: Final answer
    x = 65,320.61

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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.