Home / 124,864.80-187,313.40-61,717.20

Finding the Fourth Proportional to 124,864.80, 187,313.40 and 61,717.20

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Solution

The fourth proportional to 124,864.80, 187,313.40 and 61,717.20 is: 92,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,864.80 : 187,313.40 = 61,717.20 : x
  2. Step 2: Convert to fraction form
    124,864.80/187,313.40 = 61,717.20/x
  3. Step 3: Cross multiply
    124,864.80x = 187,313.40 × 61,717.20
  4. Step 4: Simplify right side
    124,864.80x = 11,560,458,570.48
  5. Step 5: Solve for x
    x = 11,560,458,570.48/124,864.80
  6. Step 6: Final answer
    x = 92,583.81

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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.