Home / 82,253.04-123,379.68-19,923.36

Finding the Fourth Proportional to 82,253.04, 123,379.68 and 19,923.36

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Solution

The fourth proportional to 82,253.04, 123,379.68 and 19,923.36 is: 29,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,253.04 : 123,379.68 = 19,923.36 : x
  2. Step 2: Convert to fraction form
    82,253.04/123,379.68 = 19,923.36/x
  3. Step 3: Cross multiply
    82,253.04x = 123,379.68 × 19,923.36
  4. Step 4: Simplify right side
    82,253.04x = 2,458,137,781.32
  5. Step 5: Solve for x
    x = 2,458,137,781.32/82,253.04
  6. Step 6: Final answer
    x = 29,885.07

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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.