Home / 106,429.43-146,869.87-58,681.96

Finding the Fourth Proportional to 106,429.43, 146,869.87 and 58,681.96

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Solution

The fourth proportional to 106,429.43, 146,869.87 and 58,681.96 is: 80,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,429.43 : 146,869.87 = 58,681.96 : x
  2. Step 2: Convert to fraction form
    106,429.43/146,869.87 = 58,681.96/x
  3. Step 3: Cross multiply
    106,429.43x = 146,869.87 × 58,681.96
  4. Step 4: Simplify right side
    106,429.43x = 8,618,611,836.55
  5. Step 5: Solve for x
    x = 8,618,611,836.55/106,429.43
  6. Step 6: Final answer
    x = 80,979.59

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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.