Home / 58,616.88-87,907.37-21,172.34

Finding the Fourth Proportional to 58,616.88, 87,907.37 and 21,172.34

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Solution

The fourth proportional to 58,616.88, 87,907.37 and 21,172.34 is: 31,752.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,616.88 : 87,907.37 = 21,172.34 : x
  2. Step 2: Convert to fraction form
    58,616.88/87,907.37 = 21,172.34/x
  3. Step 3: Cross multiply
    58,616.88x = 87,907.37 × 21,172.34
  4. Step 4: Simplify right side
    58,616.88x = 1,861,204,405.12
  5. Step 5: Solve for x
    x = 1,861,204,405.12/58,616.88
  6. Step 6: Final answer
    x = 31,752.02

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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.