Home / 102,958.57-154,537.72-49,688.04

Finding the Fourth Proportional to 102,958.57, 154,537.72 and 49,688.04

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Solution

The fourth proportional to 102,958.57, 154,537.72 and 49,688.04 is: 74,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,958.57 : 154,537.72 = 49,688.04 : x
  2. Step 2: Convert to fraction form
    102,958.57/154,537.72 = 49,688.04/x
  3. Step 3: Cross multiply
    102,958.57x = 154,537.72 × 49,688.04
  4. Step 4: Simplify right side
    102,958.57x = 7,678,676,412.87
  5. Step 5: Solve for x
    x = 7,678,676,412.87/102,958.57
  6. Step 6: Final answer
    x = 74,580.26

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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.