Home / 92,057.20-127,029.70-51,764.56

Finding the Fourth Proportional to 92,057.20, 127,029.70 and 51,764.56

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Solution

The fourth proportional to 92,057.20, 127,029.70 and 51,764.56 is: 71,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,057.20 : 127,029.70 = 51,764.56 : x
  2. Step 2: Convert to fraction form
    92,057.20/127,029.70 = 51,764.56/x
  3. Step 3: Cross multiply
    92,057.20x = 127,029.70 × 51,764.56
  4. Step 4: Simplify right side
    92,057.20x = 6,575,636,527.43
  5. Step 5: Solve for x
    x = 6,575,636,527.43/92,057.20
  6. Step 6: Final answer
    x = 71,429.90

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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.