Home / 106,869.96-147,474.72-59,115.60

Finding the Fourth Proportional to 106,869.96, 147,474.72 and 59,115.60

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Solution

The fourth proportional to 106,869.96, 147,474.72 and 59,115.60 is: 81,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.96 : 147,474.72 = 59,115.60 : x
  2. Step 2: Convert to fraction form
    106,869.96/147,474.72 = 59,115.60/x
  3. Step 3: Cross multiply
    106,869.96x = 147,474.72 × 59,115.60
  4. Step 4: Simplify right side
    106,869.96x = 8,718,056,557.63
  5. Step 5: Solve for x
    x = 8,718,056,557.63/106,869.96
  6. Step 6: Final answer
    x = 81,576.31

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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.