Home / 48,129.14-72,144.03-23,131.46

Finding the Fourth Proportional to 48,129.14, 72,144.03 and 23,131.46

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Solution

The fourth proportional to 48,129.14, 72,144.03 and 23,131.46 is: 34,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.14 : 72,144.03 = 23,131.46 : x
  2. Step 2: Convert to fraction form
    48,129.14/72,144.03 = 23,131.46/x
  3. Step 3: Cross multiply
    48,129.14x = 72,144.03 × 23,131.46
  4. Step 4: Simplify right side
    48,129.14x = 1,668,796,744.18
  5. Step 5: Solve for x
    x = 1,668,796,744.18/48,129.14
  6. Step 6: Final answer
    x = 34,673.31

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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.