Home / 107,235.76-160,749.05-51,060.78

Finding the Fourth Proportional to 107,235.76, 160,749.05 and 51,060.78

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Solution

The fourth proportional to 107,235.76, 160,749.05 and 51,060.78 is: 76,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,235.76 : 160,749.05 = 51,060.78 : x
  2. Step 2: Convert to fraction form
    107,235.76/160,749.05 = 51,060.78/x
  3. Step 3: Cross multiply
    107,235.76x = 160,749.05 × 51,060.78
  4. Step 4: Simplify right side
    107,235.76x = 8,207,970,945.86
  5. Step 5: Solve for x
    x = 8,207,970,945.86/107,235.76
  6. Step 6: Final answer
    x = 76,541.36

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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.