Home / 58,255.11-87,364.13-18,803.04

Finding the Fourth Proportional to 58,255.11, 87,364.13 and 18,803.04

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Solution

The fourth proportional to 58,255.11, 87,364.13 and 18,803.04 is: 28,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,255.11 : 87,364.13 = 18,803.04 : x
  2. Step 2: Convert to fraction form
    58,255.11/87,364.13 = 18,803.04/x
  3. Step 3: Cross multiply
    58,255.11x = 87,364.13 × 18,803.04
  4. Step 4: Simplify right side
    58,255.11x = 1,642,711,136.94
  5. Step 5: Solve for x
    x = 1,642,711,136.94/58,255.11
  6. Step 6: Final answer
    x = 28,198.58

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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.