Home / 101,204.05-151,903.28-51,340.45

Finding the Fourth Proportional to 101,204.05, 151,903.28 and 51,340.45

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Solution

The fourth proportional to 101,204.05, 151,903.28 and 51,340.45 is: 77,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.05 : 151,903.28 = 51,340.45 : x
  2. Step 2: Convert to fraction form
    101,204.05/151,903.28 = 51,340.45/x
  3. Step 3: Cross multiply
    101,204.05x = 151,903.28 × 51,340.45
  4. Step 4: Simplify right side
    101,204.05x = 7,798,782,494.97
  5. Step 5: Solve for x
    x = 7,798,782,494.97/101,204.05
  6. Step 6: Final answer
    x = 77,059.98

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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.