Home / 101,265.15-151,901.37-38,079.48

Finding the Fourth Proportional to 101,265.15, 151,901.37 and 38,079.48

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Solution

The fourth proportional to 101,265.15, 151,901.37 and 38,079.48 is: 57,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,265.15 : 151,901.37 = 38,079.48 : x
  2. Step 2: Convert to fraction form
    101,265.15/151,901.37 = 38,079.48/x
  3. Step 3: Cross multiply
    101,265.15x = 151,901.37 × 38,079.48
  4. Step 4: Simplify right side
    101,265.15x = 5,784,325,180.89
  5. Step 5: Solve for x
    x = 5,784,325,180.89/101,265.15
  6. Step 6: Final answer
    x = 57,120.59

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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.