Home / 106,072.72-146,379.90-58,328.62

Finding the Fourth Proportional to 106,072.72, 146,379.90 and 58,328.62

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Solution

The fourth proportional to 106,072.72, 146,379.90 and 58,328.62 is: 80,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,072.72 : 146,379.90 = 58,328.62 : x
  2. Step 2: Convert to fraction form
    106,072.72/146,379.90 = 58,328.62/x
  3. Step 3: Cross multiply
    106,072.72x = 146,379.90 × 58,328.62
  4. Step 4: Simplify right side
    106,072.72x = 8,538,137,562.74
  5. Step 5: Solve for x
    x = 8,538,137,562.74/106,072.72
  6. Step 6: Final answer
    x = 80,493.25

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1.5x scale

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.