Home / 57,201.27-78,890.96-40,261.59

Finding the Fourth Proportional to 57,201.27, 78,890.96 and 40,261.59

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Solution

The fourth proportional to 57,201.27, 78,890.96 and 40,261.59 is: 55,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201.27 : 78,890.96 = 40,261.59 : x
  2. Step 2: Convert to fraction form
    57,201.27/78,890.96 = 40,261.59/x
  3. Step 3: Cross multiply
    57,201.27x = 78,890.96 × 40,261.59
  4. Step 4: Simplify right side
    57,201.27x = 3,176,275,284.92
  5. Step 5: Solve for x
    x = 3,176,275,284.92/57,201.27
  6. Step 6: Final answer
    x = 55,528.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.