Home / 72,226.46-108,354.28-42,665.52

Finding the Fourth Proportional to 72,226.46, 108,354.28 and 42,665.52

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Solution

The fourth proportional to 72,226.46, 108,354.28 and 42,665.52 is: 64,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.46 : 108,354.28 = 42,665.52 : x
  2. Step 2: Convert to fraction form
    72,226.46/108,354.28 = 42,665.52/x
  3. Step 3: Cross multiply
    72,226.46x = 108,354.28 × 42,665.52
  4. Step 4: Simplify right side
    72,226.46x = 4,622,991,700.43
  5. Step 5: Solve for x
    x = 4,622,991,700.43/72,226.46
  6. Step 6: Final answer
    x = 64,006.90

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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.