Home / 84,198.24-126,307.02-39,196.26

Finding the Fourth Proportional to 84,198.24, 126,307.02 and 39,196.26

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Solution

The fourth proportional to 84,198.24, 126,307.02 and 39,196.26 is: 58,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,198.24 : 126,307.02 = 39,196.26 : x
  2. Step 2: Convert to fraction form
    84,198.24/126,307.02 = 39,196.26/x
  3. Step 3: Cross multiply
    84,198.24x = 126,307.02 × 39,196.26
  4. Step 4: Simplify right side
    84,198.24x = 4,950,762,795.75
  5. Step 5: Solve for x
    x = 4,950,762,795.75/84,198.24
  6. Step 6: Final answer
    x = 58,798.89

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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.