Home / 106,550.76-147,039.37-58,804.11

Finding the Fourth Proportional to 106,550.76, 147,039.37 and 58,804.11

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Solution

The fourth proportional to 106,550.76, 147,039.37 and 58,804.11 is: 81,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.76 : 147,039.37 = 58,804.11 : x
  2. Step 2: Convert to fraction form
    106,550.76/147,039.37 = 58,804.11/x
  3. Step 3: Cross multiply
    106,550.76x = 147,039.37 × 58,804.11
  4. Step 4: Simplify right side
    106,550.76x = 8,646,519,140.80
  5. Step 5: Solve for x
    x = 8,646,519,140.80/106,550.76
  6. Step 6: Final answer
    x = 81,149.29

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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.