Home / 48,156.43-72,247.94-20,089.68

Finding the Fourth Proportional to 48,156.43, 72,247.94 and 20,089.68

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Solution

The fourth proportional to 48,156.43, 72,247.94 and 20,089.68 is: 30,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,156.43 : 72,247.94 = 20,089.68 : x
  2. Step 2: Convert to fraction form
    48,156.43/72,247.94 = 20,089.68/x
  3. Step 3: Cross multiply
    48,156.43x = 72,247.94 × 20,089.68
  4. Step 4: Simplify right side
    48,156.43x = 1,451,437,995.26
  5. Step 5: Solve for x
    x = 1,451,437,995.26/48,156.43
  6. Step 6: Final answer
    x = 30,140.07

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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.