Home / 82,368.13-123,505.39-32,421.16

Finding the Fourth Proportional to 82,368.13, 123,505.39 and 32,421.16

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Solution

The fourth proportional to 82,368.13, 123,505.39 and 32,421.16 is: 48,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368.13 : 123,505.39 = 32,421.16 : x
  2. Step 2: Convert to fraction form
    82,368.13/123,505.39 = 32,421.16/x
  3. Step 3: Cross multiply
    82,368.13x = 123,505.39 × 32,421.16
  4. Step 4: Simplify right side
    82,368.13x = 4,004,188,010.05
  5. Step 5: Solve for x
    x = 4,004,188,010.05/82,368.13
  6. Step 6: Final answer
    x = 48,613.32

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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.