Home / 83,425.04-125,134.32-30,833.36

Finding the Fourth Proportional to 83,425.04, 125,134.32 and 30,833.36

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Solution

The fourth proportional to 83,425.04, 125,134.32 and 30,833.36 is: 46,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.04 : 125,134.32 = 30,833.36 : x
  2. Step 2: Convert to fraction form
    83,425.04/125,134.32 = 30,833.36/x
  3. Step 3: Cross multiply
    83,425.04x = 125,134.32 × 30,833.36
  4. Step 4: Simplify right side
    83,425.04x = 3,858,311,536.92
  5. Step 5: Solve for x
    x = 3,858,311,536.92/83,425.04
  6. Step 6: Final answer
    x = 46,248.84

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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.