Home / 48,643.43-72,959.66-13,107.38

Finding the Fourth Proportional to 48,643.43, 72,959.66 and 13,107.38

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Solution

The fourth proportional to 48,643.43, 72,959.66 and 13,107.38 is: 19,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.43 : 72,959.66 = 13,107.38 : x
  2. Step 2: Convert to fraction form
    48,643.43/72,959.66 = 13,107.38/x
  3. Step 3: Cross multiply
    48,643.43x = 72,959.66 × 13,107.38
  4. Step 4: Simplify right side
    48,643.43x = 956,309,557.96
  5. Step 5: Solve for x
    x = 956,309,557.96/48,643.43
  6. Step 6: Final answer
    x = 19,659.59

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Why These Related Problems?

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