Home / 124,983.81-187,495.17-40,724.37

Finding the Fourth Proportional to 124,983.81, 187,495.17 and 40,724.37

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Solution

The fourth proportional to 124,983.81, 187,495.17 and 40,724.37 is: 61,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.81 : 187,495.17 = 40,724.37 : x
  2. Step 2: Convert to fraction form
    124,983.81/187,495.17 = 40,724.37/x
  3. Step 3: Cross multiply
    124,983.81x = 187,495.17 × 40,724.37
  4. Step 4: Simplify right side
    124,983.81x = 7,635,622,676.29
  5. Step 5: Solve for x
    x = 7,635,622,676.29/124,983.81
  6. Step 6: Final answer
    x = 61,092.89

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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.