Home / 85,347.26-128,057.78-32,744.44

Finding the Fourth Proportional to 85,347.26, 128,057.78 and 32,744.44

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Solution

The fourth proportional to 85,347.26, 128,057.78 and 32,744.44 is: 49,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347.26 : 128,057.78 = 32,744.44 : x
  2. Step 2: Convert to fraction form
    85,347.26/128,057.78 = 32,744.44/x
  3. Step 3: Cross multiply
    85,347.26x = 128,057.78 × 32,744.44
  4. Step 4: Simplify right side
    85,347.26x = 4,193,180,293.74
  5. Step 5: Solve for x
    x = 4,193,180,293.74/85,347.26
  6. Step 6: Final answer
    x = 49,130.81

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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.