Home / 82,338.06-123,507.09-33,124.62

Finding the Fourth Proportional to 82,338.06, 123,507.09 and 33,124.62

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Solution

The fourth proportional to 82,338.06, 123,507.09 and 33,124.62 is: 49,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,338.06 : 123,507.09 = 33,124.62 : x
  2. Step 2: Convert to fraction form
    82,338.06/123,507.09 = 33,124.62/x
  3. Step 3: Cross multiply
    82,338.06x = 123,507.09 × 33,124.62
  4. Step 4: Simplify right side
    82,338.06x = 4,091,125,423.56
  5. Step 5: Solve for x
    x = 4,091,125,423.56/82,338.06
  6. Step 6: Final answer
    x = 49,686.93

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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.