Home / 106,962.21-147,606.84-61,623.54

Finding the Fourth Proportional to 106,962.21, 147,606.84 and 61,623.54

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Solution

The fourth proportional to 106,962.21, 147,606.84 and 61,623.54 is: 85,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,962.21 : 147,606.84 = 61,623.54 : x
  2. Step 2: Convert to fraction form
    106,962.21/147,606.84 = 61,623.54/x
  3. Step 3: Cross multiply
    106,962.21x = 147,606.84 × 61,623.54
  4. Step 4: Simplify right side
    106,962.21x = 9,096,056,009.01
  5. Step 5: Solve for x
    x = 9,096,056,009.01/106,962.21
  6. Step 6: Final answer
    x = 85,039.90

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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.