Home / 55,519.22-76,614.60-31,653.58

Finding the Fourth Proportional to 55,519.22, 76,614.60 and 31,653.58

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Solution

The fourth proportional to 55,519.22, 76,614.60 and 31,653.58 is: 43,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.22 : 76,614.60 = 31,653.58 : x
  2. Step 2: Convert to fraction form
    55,519.22/76,614.60 = 31,653.58/x
  3. Step 3: Cross multiply
    55,519.22x = 76,614.60 × 31,653.58
  4. Step 4: Simplify right side
    55,519.22x = 2,425,126,370.27
  5. Step 5: Solve for x
    x = 2,425,126,370.27/55,519.22
  6. Step 6: Final answer
    x = 43,680.84

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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.