Home / 51,142.29-76,739.70-22,698.72

Finding the Fourth Proportional to 51,142.29, 76,739.70 and 22,698.72

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Solution

The fourth proportional to 51,142.29, 76,739.70 and 22,698.72 is: 34,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,142.29 : 76,739.70 = 22,698.72 : x
  2. Step 2: Convert to fraction form
    51,142.29/76,739.70 = 22,698.72/x
  3. Step 3: Cross multiply
    51,142.29x = 76,739.70 × 22,698.72
  4. Step 4: Simplify right side
    51,142.29x = 1,741,892,963.18
  5. Step 5: Solve for x
    x = 1,741,892,963.18/51,142.29
  6. Step 6: Final answer
    x = 34,059.74

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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.