Home / 106,140.44-146,477.40-58,395.80

Finding the Fourth Proportional to 106,140.44, 146,477.40 and 58,395.80

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Solution

The fourth proportional to 106,140.44, 146,477.40 and 58,395.80 is: 80,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,140.44 : 146,477.40 = 58,395.80 : x
  2. Step 2: Convert to fraction form
    106,140.44/146,477.40 = 58,395.80/x
  3. Step 3: Cross multiply
    106,140.44x = 146,477.40 × 58,395.80
  4. Step 4: Simplify right side
    106,140.44x = 8,553,664,954.92
  5. Step 5: Solve for x
    x = 8,553,664,954.92/106,140.44
  6. Step 6: Final answer
    x = 80,588.18

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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.