Home / 124,313.49-186,498.09-45,425.70

Finding the Fourth Proportional to 124,313.49, 186,498.09 and 45,425.70

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Solution

The fourth proportional to 124,313.49, 186,498.09 and 45,425.70 is: 68,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,313.49 : 186,498.09 = 45,425.70 : x
  2. Step 2: Convert to fraction form
    124,313.49/186,498.09 = 45,425.70/x
  3. Step 3: Cross multiply
    124,313.49x = 186,498.09 × 45,425.70
  4. Step 4: Simplify right side
    124,313.49x = 8,471,806,286.91
  5. Step 5: Solve for x
    x = 8,471,806,286.91/124,313.49
  6. Step 6: Final answer
    x = 68,148.73

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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.