Home / 104,906.11-144,772.05-57,159.45

Finding the Fourth Proportional to 104,906.11, 144,772.05 and 57,159.45

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Solution

The fourth proportional to 104,906.11, 144,772.05 and 57,159.45 is: 78,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.11 : 144,772.05 = 57,159.45 : x
  2. Step 2: Convert to fraction form
    104,906.11/144,772.05 = 57,159.45/x
  3. Step 3: Cross multiply
    104,906.11x = 144,772.05 × 57,159.45
  4. Step 4: Simplify right side
    104,906.11x = 8,275,090,753.37
  5. Step 5: Solve for x
    x = 8,275,090,753.37/104,906.11
  6. Step 6: Final answer
    x = 78,880.92

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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.