Home / 83,533.52-125,301.10-66,871.82

Finding the Fourth Proportional to 83,533.52, 125,301.10 and 66,871.82

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Solution

The fourth proportional to 83,533.52, 125,301.10 and 66,871.82 is: 100,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533.52 : 125,301.10 = 66,871.82 : x
  2. Step 2: Convert to fraction form
    83,533.52/125,301.10 = 66,871.82/x
  3. Step 3: Cross multiply
    83,533.52x = 125,301.10 × 66,871.82
  4. Step 4: Simplify right side
    83,533.52x = 8,379,112,605.00
  5. Step 5: Solve for x
    x = 8,379,112,605.00/83,533.52
  6. Step 6: Final answer
    x = 100,308.39

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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.