Home / 83,780.49-115,614.14-46,054.47

Finding the Fourth Proportional to 83,780.49, 115,614.14 and 46,054.47

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Solution

The fourth proportional to 83,780.49, 115,614.14 and 46,054.47 is: 63,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,780.49 : 115,614.14 = 46,054.47 : x
  2. Step 2: Convert to fraction form
    83,780.49/115,614.14 = 46,054.47/x
  3. Step 3: Cross multiply
    83,780.49x = 115,614.14 × 46,054.47
  4. Step 4: Simplify right side
    83,780.49x = 5,324,547,942.21
  5. Step 5: Solve for x
    x = 5,324,547,942.21/83,780.49
  6. Step 6: Final answer
    x = 63,553.55

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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.