Home / 100,372.42-150,572.94-32,890.02

Finding the Fourth Proportional to 100,372.42, 150,572.94 and 32,890.02

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Solution

The fourth proportional to 100,372.42, 150,572.94 and 32,890.02 is: 49,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,372.42 : 150,572.94 = 32,890.02 : x
  2. Step 2: Convert to fraction form
    100,372.42/150,572.94 = 32,890.02/x
  3. Step 3: Cross multiply
    100,372.42x = 150,572.94 × 32,890.02
  4. Step 4: Simplify right side
    100,372.42x = 4,952,347,008.06
  5. Step 5: Solve for x
    x = 4,952,347,008.06/100,372.42
  6. Step 6: Final answer
    x = 49,339.72

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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.