Home / 82,329.63-123,535.89-34,956.78

Finding the Fourth Proportional to 82,329.63, 123,535.89 and 34,956.78

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Solution

The fourth proportional to 82,329.63, 123,535.89 and 34,956.78 is: 52,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.63 : 123,535.89 = 34,956.78 : x
  2. Step 2: Convert to fraction form
    82,329.63/123,535.89 = 34,956.78/x
  3. Step 3: Cross multiply
    82,329.63x = 123,535.89 × 34,956.78
  4. Step 4: Simplify right side
    82,329.63x = 4,318,416,928.83
  5. Step 5: Solve for x
    x = 4,318,416,928.83/82,329.63
  6. Step 6: Final answer
    x = 52,452.77

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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.