Home / 48,083.36-72,121.36-13,022.08

Finding the Fourth Proportional to 48,083.36, 72,121.36 and 13,022.08

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Solution

The fourth proportional to 48,083.36, 72,121.36 and 13,022.08 is: 19,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,083.36 : 72,121.36 = 13,022.08 : x
  2. Step 2: Convert to fraction form
    48,083.36/72,121.36 = 13,022.08/x
  3. Step 3: Cross multiply
    48,083.36x = 72,121.36 × 13,022.08
  4. Step 4: Simplify right side
    48,083.36x = 939,170,119.63
  5. Step 5: Solve for x
    x = 939,170,119.63/48,083.36
  6. Step 6: Final answer
    x = 19,532.12

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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.