Home / 104,934.70-144,805.66-57,187.02

Finding the Fourth Proportional to 104,934.70, 144,805.66 and 57,187.02

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Solution

The fourth proportional to 104,934.70, 144,805.66 and 57,187.02 is: 78,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.70 : 144,805.66 = 57,187.02 : x
  2. Step 2: Convert to fraction form
    104,934.70/144,805.66 = 57,187.02/x
  3. Step 3: Cross multiply
    104,934.70x = 144,805.66 × 57,187.02
  4. Step 4: Simplify right side
    104,934.70x = 8,281,004,174.53
  5. Step 5: Solve for x
    x = 8,281,004,174.53/104,934.70
  6. Step 6: Final answer
    x = 78,915.78

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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.