Home / 124,969.35-187,218.60-61,715.43

Finding the Fourth Proportional to 124,969.35, 187,218.60 and 61,715.43

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Solution

The fourth proportional to 124,969.35, 187,218.60 and 61,715.43 is: 92,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.35 : 187,218.60 = 61,715.43 : x
  2. Step 2: Convert to fraction form
    124,969.35/187,218.60 = 61,715.43/x
  3. Step 3: Cross multiply
    124,969.35x = 187,218.60 × 61,715.43
  4. Step 4: Simplify right side
    124,969.35x = 11,554,276,403.00
  5. Step 5: Solve for x
    x = 11,554,276,403.00/124,969.35
  6. Step 6: Final answer
    x = 92,456.88

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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.