Home / 51,662.16-77,354.40-32,840.16

Finding the Fourth Proportional to 51,662.16, 77,354.40 and 32,840.16

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Solution

The fourth proportional to 51,662.16, 77,354.40 and 32,840.16 is: 49,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.16 : 77,354.40 = 32,840.16 : x
  2. Step 2: Convert to fraction form
    51,662.16/77,354.40 = 32,840.16/x
  3. Step 3: Cross multiply
    51,662.16x = 77,354.40 × 32,840.16
  4. Step 4: Simplify right side
    51,662.16x = 2,540,330,872.70
  5. Step 5: Solve for x
    x = 2,540,330,872.70/51,662.16
  6. Step 6: Final answer
    x = 49,171.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.