Home / 106,936.31-147,609.01-61,632.36

Finding the Fourth Proportional to 106,936.31, 147,609.01 and 61,632.36

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Solution

The fourth proportional to 106,936.31, 147,609.01 and 61,632.36 is: 85,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,936.31 : 147,609.01 = 61,632.36 : x
  2. Step 2: Convert to fraction form
    106,936.31/147,609.01 = 61,632.36/x
  3. Step 3: Cross multiply
    106,936.31x = 147,609.01 × 61,632.36
  4. Step 4: Simplify right side
    106,936.31x = 9,097,491,643.56
  5. Step 5: Solve for x
    x = 9,097,491,643.56/106,936.31
  6. Step 6: Final answer
    x = 85,073.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.