Home / 124,940.06-187,358.53-47,991.42

Finding the Fourth Proportional to 124,940.06, 187,358.53 and 47,991.42

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Solution

The fourth proportional to 124,940.06, 187,358.53 and 47,991.42 is: 71,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.06 : 187,358.53 = 47,991.42 : x
  2. Step 2: Convert to fraction form
    124,940.06/187,358.53 = 47,991.42/x
  3. Step 3: Cross multiply
    124,940.06x = 187,358.53 × 47,991.42
  4. Step 4: Simplify right side
    124,940.06x = 8,991,602,018.03
  5. Step 5: Solve for x
    x = 8,991,602,018.03/124,940.06
  6. Step 6: Final answer
    x = 71,967.33

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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.