Home / 48,537.45-72,776.02-20,443.04

Finding the Fourth Proportional to 48,537.45, 72,776.02 and 20,443.04

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Solution

The fourth proportional to 48,537.45, 72,776.02 and 20,443.04 is: 30,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.45 : 72,776.02 = 20,443.04 : x
  2. Step 2: Convert to fraction form
    48,537.45/72,776.02 = 20,443.04/x
  3. Step 3: Cross multiply
    48,537.45x = 72,776.02 × 20,443.04
  4. Step 4: Simplify right side
    48,537.45x = 1,487,763,087.90
  5. Step 5: Solve for x
    x = 1,487,763,087.90/48,537.45
  6. Step 6: Final answer
    x = 30,651.86

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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.