Home / 114,874.90-172,320.59-30,634.62

Finding the Fourth Proportional to 114,874.90, 172,320.59 and 30,634.62

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Solution

The fourth proportional to 114,874.90, 172,320.59 and 30,634.62 is: 45,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,874.90 : 172,320.59 = 30,634.62 : x
  2. Step 2: Convert to fraction form
    114,874.90/172,320.59 = 30,634.62/x
  3. Step 3: Cross multiply
    114,874.90x = 172,320.59 × 30,634.62
  4. Step 4: Simplify right side
    114,874.90x = 5,278,975,639.65
  5. Step 5: Solve for x
    x = 5,278,975,639.65/114,874.90
  6. Step 6: Final answer
    x = 45,954.13

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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.