Home / 106,415.37-146,854.23-58,670.43

Finding the Fourth Proportional to 106,415.37, 146,854.23 and 58,670.43

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Solution

The fourth proportional to 106,415.37, 146,854.23 and 58,670.43 is: 80,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,415.37 : 146,854.23 = 58,670.43 : x
  2. Step 2: Convert to fraction form
    106,415.37/146,854.23 = 58,670.43/x
  3. Step 3: Cross multiply
    106,415.37x = 146,854.23 × 58,670.43
  4. Step 4: Simplify right side
    106,415.37x = 8,616,000,821.42
  5. Step 5: Solve for x
    x = 8,616,000,821.42/106,415.37
  6. Step 6: Final answer
    x = 80,965.76

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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.