Home / 45,508.38-68,262.54-45,442.68

Finding the Fourth Proportional to 45,508.38, 68,262.54 and 45,442.68

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Solution

The fourth proportional to 45,508.38, 68,262.54 and 45,442.68 is: 68,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.38 : 68,262.54 = 45,442.68 : x
  2. Step 2: Convert to fraction form
    45,508.38/68,262.54 = 45,442.68/x
  3. Step 3: Cross multiply
    45,508.38x = 68,262.54 × 45,442.68
  4. Step 4: Simplify right side
    45,508.38x = 3,102,032,761.21
  5. Step 5: Solve for x
    x = 3,102,032,761.21/45,508.38
  6. Step 6: Final answer
    x = 68,163.99

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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.