Home / 99,963.21-149,971.07-35,927.82

Finding the Fourth Proportional to 99,963.21, 149,971.07 and 35,927.82

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Solution

The fourth proportional to 99,963.21, 149,971.07 and 35,927.82 is: 53,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,963.21 : 149,971.07 = 35,927.82 : x
  2. Step 2: Convert to fraction form
    99,963.21/149,971.07 = 35,927.82/x
  3. Step 3: Cross multiply
    99,963.21x = 149,971.07 × 35,927.82
  4. Step 4: Simplify right side
    99,963.21x = 5,388,133,608.17
  5. Step 5: Solve for x
    x = 5,388,133,608.17/99,963.21
  6. Step 6: Final answer
    x = 53,901.17

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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.