Home / 106,418.66-146,858.75-58,673.72

Finding the Fourth Proportional to 106,418.66, 146,858.75 and 58,673.72

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Solution

The fourth proportional to 106,418.66, 146,858.75 and 58,673.72 is: 80,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,418.66 : 146,858.75 = 58,673.72 : x
  2. Step 2: Convert to fraction form
    106,418.66/146,858.75 = 58,673.72/x
  3. Step 3: Cross multiply
    106,418.66x = 146,858.75 × 58,673.72
  4. Step 4: Simplify right side
    106,418.66x = 8,616,748,149.39
  5. Step 5: Solve for x
    x = 8,616,748,149.39/106,418.66
  6. Step 6: Final answer
    x = 80,970.28

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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.