Home / 58,151.04-87,171.13-18,680.43

Finding the Fourth Proportional to 58,151.04, 87,171.13 and 18,680.43

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Solution

The fourth proportional to 58,151.04, 87,171.13 and 18,680.43 is: 28,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,151.04 : 87,171.13 = 18,680.43 : x
  2. Step 2: Convert to fraction form
    58,151.04/87,171.13 = 18,680.43/x
  3. Step 3: Cross multiply
    58,151.04x = 87,171.13 × 18,680.43
  4. Step 4: Simplify right side
    58,151.04x = 1,628,394,191.99
  5. Step 5: Solve for x
    x = 1,628,394,191.99/58,151.04
  6. Step 6: Final answer
    x = 28,002.84

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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.