Home / 124,723.21-187,084.82-45,803.29

Finding the Fourth Proportional to 124,723.21, 187,084.82 and 45,803.29

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Solution

The fourth proportional to 124,723.21, 187,084.82 and 45,803.29 is: 68,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,723.21 : 187,084.82 = 45,803.29 : x
  2. Step 2: Convert to fraction form
    124,723.21/187,084.82 = 45,803.29/x
  3. Step 3: Cross multiply
    124,723.21x = 187,084.82 × 45,803.29
  4. Step 4: Simplify right side
    124,723.21x = 8,569,100,265.06
  5. Step 5: Solve for x
    x = 8,569,100,265.06/124,723.21
  6. Step 6: Final answer
    x = 68,704.94

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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.