Home / 83,780.55-115,614.23-46,054.53

Finding the Fourth Proportional to 83,780.55, 115,614.23 and 46,054.53

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Solution

The fourth proportional to 83,780.55, 115,614.23 and 46,054.53 is: 63,553.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,780.55 : 115,614.23 = 46,054.53 : x
  2. Step 2: Convert to fraction form
    83,780.55/115,614.23 = 46,054.53/x
  3. Step 3: Cross multiply
    83,780.55x = 115,614.23 × 46,054.53
  4. Step 4: Simplify right side
    83,780.55x = 5,324,558,619.79
  5. Step 5: Solve for x
    x = 5,324,558,619.79/83,780.55
  6. Step 6: Final answer
    x = 63,553.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.