Home / 84,566.46-126,864.09-29,149.50

Finding the Fourth Proportional to 84,566.46, 126,864.09 and 29,149.50

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Solution

The fourth proportional to 84,566.46, 126,864.09 and 29,149.50 is: 43,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,566.46 : 126,864.09 = 29,149.50 : x
  2. Step 2: Convert to fraction form
    84,566.46/126,864.09 = 29,149.50/x
  3. Step 3: Cross multiply
    84,566.46x = 126,864.09 × 29,149.50
  4. Step 4: Simplify right side
    84,566.46x = 3,698,024,791.46
  5. Step 5: Solve for x
    x = 3,698,024,791.46/84,566.46
  6. Step 6: Final answer
    x = 43,729.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.