Home / 106,512.36-146,987.52-58,767.11

Finding the Fourth Proportional to 106,512.36, 146,987.52 and 58,767.11

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Solution

The fourth proportional to 106,512.36, 146,987.52 and 58,767.11 is: 81,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,512.36 : 146,987.52 = 58,767.11 : x
  2. Step 2: Convert to fraction form
    106,512.36/146,987.52 = 58,767.11/x
  3. Step 3: Cross multiply
    106,512.36x = 146,987.52 × 58,767.11
  4. Step 4: Simplify right side
    106,512.36x = 8,638,031,756.47
  5. Step 5: Solve for x
    x = 8,638,031,756.47/106,512.36
  6. Step 6: Final answer
    x = 81,098.87

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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.