Home / 43,057.55-64,595.19-18,082.91

Finding the Fourth Proportional to 43,057.55, 64,595.19 and 18,082.91

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Solution

The fourth proportional to 43,057.55, 64,595.19 and 18,082.91 is: 27,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,057.55 : 64,595.19 = 18,082.91 : x
  2. Step 2: Convert to fraction form
    43,057.55/64,595.19 = 18,082.91/x
  3. Step 3: Cross multiply
    43,057.55x = 64,595.19 × 18,082.91
  4. Step 4: Simplify right side
    43,057.55x = 1,168,069,007.20
  5. Step 5: Solve for x
    x = 1,168,069,007.20/43,057.55
  6. Step 6: Final answer
    x = 27,128.09

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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.