Home / 83,780.86-115,614.66-46,054.84

Finding the Fourth Proportional to 83,780.86, 115,614.66 and 46,054.84

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Solution

The fourth proportional to 83,780.86, 115,614.66 and 46,054.84 is: 63,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,780.86 : 115,614.66 = 46,054.84 : x
  2. Step 2: Convert to fraction form
    83,780.86/115,614.66 = 46,054.84/x
  3. Step 3: Cross multiply
    83,780.86x = 115,614.66 × 46,054.84
  4. Step 4: Simplify right side
    83,780.86x = 5,324,614,667.95
  5. Step 5: Solve for x
    x = 5,324,614,667.95/83,780.86
  6. Step 6: Final answer
    x = 63,554.07

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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.