Home / 106,337.58-146,544.06-76,070.43

Finding the Fourth Proportional to 106,337.58, 146,544.06 and 76,070.43

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Solution

The fourth proportional to 106,337.58, 146,544.06 and 76,070.43 is: 104,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,337.58 : 146,544.06 = 76,070.43 : x
  2. Step 2: Convert to fraction form
    106,337.58/146,544.06 = 76,070.43/x
  3. Step 3: Cross multiply
    106,337.58x = 146,544.06 × 76,070.43
  4. Step 4: Simplify right side
    106,337.58x = 11,147,669,658.15
  5. Step 5: Solve for x
    x = 11,147,669,658.15/106,337.58
  6. Step 6: Final answer
    x = 104,832.83

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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.