Home / 52,288.53-78,431.58-12,845.58

Finding the Fourth Proportional to 52,288.53, 78,431.58 and 12,845.58

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Solution

The fourth proportional to 52,288.53, 78,431.58 and 12,845.58 is: 19,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.53 : 78,431.58 = 12,845.58 : x
  2. Step 2: Convert to fraction form
    52,288.53/78,431.58 = 12,845.58/x
  3. Step 3: Cross multiply
    52,288.53x = 78,431.58 × 12,845.58
  4. Step 4: Simplify right side
    52,288.53x = 1,007,499,135.42
  5. Step 5: Solve for x
    x = 1,007,499,135.42/52,288.53
  6. Step 6: Final answer
    x = 19,268.07

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1.5x scale

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.