Home / 105,053.25-144,974.31-57,305.58

Finding the Fourth Proportional to 105,053.25, 144,974.31 and 57,305.58

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Solution

The fourth proportional to 105,053.25, 144,974.31 and 57,305.58 is: 79,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,053.25 : 144,974.31 = 57,305.58 : x
  2. Step 2: Convert to fraction form
    105,053.25/144,974.31 = 57,305.58/x
  3. Step 3: Cross multiply
    105,053.25x = 144,974.31 × 57,305.58
  4. Step 4: Simplify right side
    105,053.25x = 8,307,836,161.10
  5. Step 5: Solve for x
    x = 8,307,836,161.10/105,053.25
  6. Step 6: Final answer
    x = 79,082.14

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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.