Home / 84,045.78-115,960.14-58,523.46

Finding the Fourth Proportional to 84,045.78, 115,960.14 and 58,523.46

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Solution

The fourth proportional to 84,045.78, 115,960.14 and 58,523.46 is: 80,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.78 : 115,960.14 = 58,523.46 : x
  2. Step 2: Convert to fraction form
    84,045.78/115,960.14 = 58,523.46/x
  3. Step 3: Cross multiply
    84,045.78x = 115,960.14 × 58,523.46
  4. Step 4: Simplify right side
    84,045.78x = 6,786,388,614.88
  5. Step 5: Solve for x
    x = 6,786,388,614.88/84,045.78
  6. Step 6: Final answer
    x = 80,746.33

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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.