Home / 58,540.68-80,785.44-31,682.55

Finding the Fourth Proportional to 58,540.68, 80,785.44 and 31,682.55

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Solution

The fourth proportional to 58,540.68, 80,785.44 and 31,682.55 is: 43,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,540.68 : 80,785.44 = 31,682.55 : x
  2. Step 2: Convert to fraction form
    58,540.68/80,785.44 = 31,682.55/x
  3. Step 3: Cross multiply
    58,540.68x = 80,785.44 × 31,682.55
  4. Step 4: Simplify right side
    58,540.68x = 2,559,488,742.07
  5. Step 5: Solve for x
    x = 2,559,488,742.07/58,540.68
  6. Step 6: Final answer
    x = 43,721.54

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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.