Home / 83,780.61-115,614.31-46,054.59

Finding the Fourth Proportional to 83,780.61, 115,614.31 and 46,054.59

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Solution

The fourth proportional to 83,780.61, 115,614.31 and 46,054.59 is: 63,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,780.61 : 115,614.31 = 46,054.59 : x
  2. Step 2: Convert to fraction form
    83,780.61/115,614.31 = 46,054.59/x
  3. Step 3: Cross multiply
    83,780.61x = 115,614.31 × 46,054.59
  4. Step 4: Simplify right side
    83,780.61x = 5,324,569,645.18
  5. Step 5: Solve for x
    x = 5,324,569,645.18/83,780.61
  6. Step 6: Final answer
    x = 63,553.72

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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.