Home / 48,651.12-72,834.48-43,981.86

Finding the Fourth Proportional to 48,651.12, 72,834.48 and 43,981.86

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Solution

The fourth proportional to 48,651.12, 72,834.48 and 43,981.86 is: 65,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,651.12 : 72,834.48 = 43,981.86 : x
  2. Step 2: Convert to fraction form
    48,651.12/72,834.48 = 43,981.86/x
  3. Step 3: Cross multiply
    48,651.12x = 72,834.48 × 43,981.86
  4. Step 4: Simplify right side
    48,651.12x = 3,203,395,902.53
  5. Step 5: Solve for x
    x = 3,203,395,902.53/48,651.12
  6. Step 6: Final answer
    x = 65,844.24

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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.