Home / 68,235.01-102,338.40-18,303.24

Finding the Fourth Proportional to 68,235.01, 102,338.40 and 18,303.24

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Solution

The fourth proportional to 68,235.01, 102,338.40 and 18,303.24 is: 27,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235.01 : 102,338.40 = 18,303.24 : x
  2. Step 2: Convert to fraction form
    68,235.01/102,338.40 = 18,303.24/x
  3. Step 3: Cross multiply
    68,235.01x = 102,338.40 × 18,303.24
  4. Step 4: Simplify right side
    68,235.01x = 1,873,123,693.21
  5. Step 5: Solve for x
    x = 1,873,123,693.21/68,235.01
  6. Step 6: Final answer
    x = 27,451.06

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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.