Home / 64,631.20-96,716.40-44,816.80

Finding the Fourth Proportional to 64,631.20, 96,716.40 and 44,816.80

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Solution

The fourth proportional to 64,631.20, 96,716.40 and 44,816.80 is: 67,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.20 : 96,716.40 = 44,816.80 : x
  2. Step 2: Convert to fraction form
    64,631.20/96,716.40 = 44,816.80/x
  3. Step 3: Cross multiply
    64,631.20x = 96,716.40 × 44,816.80
  4. Step 4: Simplify right side
    64,631.20x = 4,334,519,555.52
  5. Step 5: Solve for x
    x = 4,334,519,555.52/64,631.20
  6. Step 6: Final answer
    x = 67,065.44

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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.