Home / 100,570.74-150,875.57-38,236.38

Finding the Fourth Proportional to 100,570.74, 150,875.57 and 38,236.38

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Solution

The fourth proportional to 100,570.74, 150,875.57 and 38,236.38 is: 57,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,570.74 : 150,875.57 = 38,236.38 : x
  2. Step 2: Convert to fraction form
    100,570.74/150,875.57 = 38,236.38/x
  3. Step 3: Cross multiply
    100,570.74x = 150,875.57 × 38,236.38
  4. Step 4: Simplify right side
    100,570.74x = 5,768,935,627.24
  5. Step 5: Solve for x
    x = 5,768,935,627.24/100,570.74
  6. Step 6: Final answer
    x = 57,361.97

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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.