Home / 89,960.19-124,145.06-49,674.03

Finding the Fourth Proportional to 89,960.19, 124,145.06 and 49,674.03

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Solution

The fourth proportional to 89,960.19, 124,145.06 and 49,674.03 is: 68,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960.19 : 124,145.06 = 49,674.03 : x
  2. Step 2: Convert to fraction form
    89,960.19/124,145.06 = 49,674.03/x
  3. Step 3: Cross multiply
    89,960.19x = 124,145.06 × 49,674.03
  4. Step 4: Simplify right side
    89,960.19x = 6,166,784,720.88
  5. Step 5: Solve for x
    x = 6,166,784,720.88/89,960.19
  6. Step 6: Final answer
    x = 68,550.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.