Home / 57,911.27-79,917.86-32,760.23

Finding the Fourth Proportional to 57,911.27, 79,917.86 and 32,760.23

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Solution

The fourth proportional to 57,911.27, 79,917.86 and 32,760.23 is: 45,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,911.27 : 79,917.86 = 32,760.23 : x
  2. Step 2: Convert to fraction form
    57,911.27/79,917.86 = 32,760.23/x
  3. Step 3: Cross multiply
    57,911.27x = 79,917.86 × 32,760.23
  4. Step 4: Simplify right side
    57,911.27x = 2,618,127,474.71
  5. Step 5: Solve for x
    x = 2,618,127,474.71/57,911.27
  6. Step 6: Final answer
    x = 45,209.29

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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.