Home / 46,420.90-69,634.31-13,143.59

Finding the Fourth Proportional to 46,420.90, 69,634.31 and 13,143.59

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Solution

The fourth proportional to 46,420.90, 69,634.31 and 13,143.59 is: 19,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.90 : 69,634.31 = 13,143.59 : x
  2. Step 2: Convert to fraction form
    46,420.90/69,634.31 = 13,143.59/x
  3. Step 3: Cross multiply
    46,420.90x = 69,634.31 × 13,143.59
  4. Step 4: Simplify right side
    46,420.90x = 915,244,459.97
  5. Step 5: Solve for x
    x = 915,244,459.97/46,420.90
  6. Step 6: Final answer
    x = 19,716.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.