Home / 101,232.28-151,849.79-31,111.59

Finding the Fourth Proportional to 101,232.28, 151,849.79 and 31,111.59

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Solution

The fourth proportional to 101,232.28, 151,849.79 and 31,111.59 is: 46,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,232.28 : 151,849.79 = 31,111.59 : x
  2. Step 2: Convert to fraction form
    101,232.28/151,849.79 = 31,111.59/x
  3. Step 3: Cross multiply
    101,232.28x = 151,849.79 × 31,111.59
  4. Step 4: Simplify right side
    101,232.28x = 4,724,288,938.61
  5. Step 5: Solve for x
    x = 4,724,288,938.61/101,232.28
  6. Step 6: Final answer
    x = 46,667.81

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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.