Home / 124,945.79-187,418.52-40,705.81

Finding the Fourth Proportional to 124,945.79, 187,418.52 and 40,705.81

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Solution

The fourth proportional to 124,945.79, 187,418.52 and 40,705.81 is: 61,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,945.79 : 187,418.52 = 40,705.81 : x
  2. Step 2: Convert to fraction form
    124,945.79/187,418.52 = 40,705.81/x
  3. Step 3: Cross multiply
    124,945.79x = 187,418.52 × 40,705.81
  4. Step 4: Simplify right side
    124,945.79x = 7,629,022,665.60
  5. Step 5: Solve for x
    x = 7,629,022,665.60/124,945.79
  6. Step 6: Final answer
    x = 61,058.66

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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.