Home / 105,100.24-144,966.12-62,626

Finding the Fourth Proportional to 105,100.24, 144,966.12 and 62,626

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Solution

The fourth proportional to 105,100.24, 144,966.12 and 62,626 is: 86,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,100.24 : 144,966.12 = 62,626 : x
  2. Step 2: Convert to fraction form
    105,100.24/144,966.12 = 62,626/x
  3. Step 3: Cross multiply
    105,100.24x = 144,966.12 × 62,626
  4. Step 4: Simplify right side
    105,100.24x = 9,078,648,231.12
  5. Step 5: Solve for x
    x = 9,078,648,231.12/105,100.24
  6. Step 6: Final answer
    x = 86,380.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.