Home / 55,635.45-76,763.19-32,979.75

Finding the Fourth Proportional to 55,635.45, 76,763.19 and 32,979.75

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Solution

The fourth proportional to 55,635.45, 76,763.19 and 32,979.75 is: 45,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.45 : 76,763.19 = 32,979.75 : x
  2. Step 2: Convert to fraction form
    55,635.45/76,763.19 = 32,979.75/x
  3. Step 3: Cross multiply
    55,635.45x = 76,763.19 × 32,979.75
  4. Step 4: Simplify right side
    55,635.45x = 2,531,630,815.40
  5. Step 5: Solve for x
    x = 2,531,630,815.40/55,635.45
  6. Step 6: Final answer
    x = 45,503.92

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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.