Home / 106,172.20-146,513.91-58,424.32

Finding the Fourth Proportional to 106,172.20, 146,513.91 and 58,424.32

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Solution

The fourth proportional to 106,172.20, 146,513.91 and 58,424.32 is: 80,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.20 : 146,513.91 = 58,424.32 : x
  2. Step 2: Convert to fraction form
    106,172.20/146,513.91 = 58,424.32/x
  3. Step 3: Cross multiply
    106,172.20x = 146,513.91 × 58,424.32
  4. Step 4: Simplify right side
    106,172.20x = 8,559,975,562.29
  5. Step 5: Solve for x
    x = 8,559,975,562.29/106,172.20
  6. Step 6: Final answer
    x = 80,623.51

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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.