Home / 106,273.79-159,431.70-30,373.01

Finding the Fourth Proportional to 106,273.79, 159,431.70 and 30,373.01

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Solution

The fourth proportional to 106,273.79, 159,431.70 and 30,373.01 is: 45,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,273.79 : 159,431.70 = 30,373.01 : x
  2. Step 2: Convert to fraction form
    106,273.79/159,431.70 = 30,373.01/x
  3. Step 3: Cross multiply
    106,273.79x = 159,431.70 × 30,373.01
  4. Step 4: Simplify right side
    106,273.79x = 4,842,419,821.26
  5. Step 5: Solve for x
    x = 4,842,419,821.26/106,273.79
  6. Step 6: Final answer
    x = 45,565.52

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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.