Home / 73,215.24-109,822.86-17,810.76

Finding the Fourth Proportional to 73,215.24, 109,822.86 and 17,810.76

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Solution

The fourth proportional to 73,215.24, 109,822.86 and 17,810.76 is: 26,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.24 : 109,822.86 = 17,810.76 : x
  2. Step 2: Convert to fraction form
    73,215.24/109,822.86 = 17,810.76/x
  3. Step 3: Cross multiply
    73,215.24x = 109,822.86 × 17,810.76
  4. Step 4: Simplify right side
    73,215.24x = 1,956,028,601.97
  5. Step 5: Solve for x
    x = 1,956,028,601.97/73,215.24
  6. Step 6: Final answer
    x = 26,716.14

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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.