Home / 55,520.22-76,615.98-31,654.58

Finding the Fourth Proportional to 55,520.22, 76,615.98 and 31,654.58

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Solution

The fourth proportional to 55,520.22, 76,615.98 and 31,654.58 is: 43,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.22 : 76,615.98 = 31,654.58 : x
  2. Step 2: Convert to fraction form
    55,520.22/76,615.98 = 31,654.58/x
  3. Step 3: Cross multiply
    55,520.22x = 76,615.98 × 31,654.58
  4. Step 4: Simplify right side
    55,520.22x = 2,425,246,668.19
  5. Step 5: Solve for x
    x = 2,425,246,668.19/55,520.22
  6. Step 6: Final answer
    x = 43,682.22

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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.