Home / 81,537.68-122,293.40-22,359.62

Finding the Fourth Proportional to 81,537.68, 122,293.40 and 22,359.62

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Solution

The fourth proportional to 81,537.68, 122,293.40 and 22,359.62 is: 33,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.68 : 122,293.40 = 22,359.62 : x
  2. Step 2: Convert to fraction form
    81,537.68/122,293.40 = 22,359.62/x
  3. Step 3: Cross multiply
    81,537.68x = 122,293.40 × 22,359.62
  4. Step 4: Simplify right side
    81,537.68x = 2,734,433,952.51
  5. Step 5: Solve for x
    x = 2,734,433,952.51/81,537.68
  6. Step 6: Final answer
    x = 33,535.83

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1.5x scale

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.