Home / 69,037.53-103,687.59-42,924.75

Finding the Fourth Proportional to 69,037.53, 103,687.59 and 42,924.75

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Solution

The fourth proportional to 69,037.53, 103,687.59 and 42,924.75 is: 64,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,037.53 : 103,687.59 = 42,924.75 : x
  2. Step 2: Convert to fraction form
    69,037.53/103,687.59 = 42,924.75/x
  3. Step 3: Cross multiply
    69,037.53x = 103,687.59 × 42,924.75
  4. Step 4: Simplify right side
    69,037.53x = 4,450,763,878.85
  5. Step 5: Solve for x
    x = 4,450,763,878.85/69,037.53
  6. Step 6: Final answer
    x = 64,468.76

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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.