Home / 83,795.49-125,653.64-30,450.31

Finding the Fourth Proportional to 83,795.49, 125,653.64 and 30,450.31

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Solution

The fourth proportional to 83,795.49, 125,653.64 and 30,450.31 is: 45,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,795.49 : 125,653.64 = 30,450.31 : x
  2. Step 2: Convert to fraction form
    83,795.49/125,653.64 = 30,450.31/x
  3. Step 3: Cross multiply
    83,795.49x = 125,653.64 × 30,450.31
  4. Step 4: Simplify right side
    83,795.49x = 3,826,191,824.24
  5. Step 5: Solve for x
    x = 3,826,191,824.24/83,795.49
  6. Step 6: Final answer
    x = 45,661.07

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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.