Home / 126,010.44-189,094.76-51,130.92

Finding the Fourth Proportional to 126,010.44, 189,094.76 and 51,130.92

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Solution

The fourth proportional to 126,010.44, 189,094.76 and 51,130.92 is: 76,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,010.44 : 189,094.76 = 51,130.92 : x
  2. Step 2: Convert to fraction form
    126,010.44/189,094.76 = 51,130.92/x
  3. Step 3: Cross multiply
    126,010.44x = 189,094.76 × 51,130.92
  4. Step 4: Simplify right side
    126,010.44x = 9,668,589,045.98
  5. Step 5: Solve for x
    x = 9,668,589,045.98/126,010.44
  6. Step 6: Final answer
    x = 76,728.48

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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.