Home / 115,243.96-159,076.02-67,512.52

Finding the Fourth Proportional to 115,243.96, 159,076.02 and 67,512.52

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Solution

The fourth proportional to 115,243.96, 159,076.02 and 67,512.52 is: 93,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,243.96 : 159,076.02 = 67,512.52 : x
  2. Step 2: Convert to fraction form
    115,243.96/159,076.02 = 67,512.52/x
  3. Step 3: Cross multiply
    115,243.96x = 159,076.02 × 67,512.52
  4. Step 4: Simplify right side
    115,243.96x = 10,739,622,981.77
  5. Step 5: Solve for x
    x = 10,739,622,981.77/115,243.96
  6. Step 6: Final answer
    x = 93,190.33

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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.