Home / 73,640.03-101,623.28-40,934.43

Finding the Fourth Proportional to 73,640.03, 101,623.28 and 40,934.43

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Solution

The fourth proportional to 73,640.03, 101,623.28 and 40,934.43 is: 56,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.03 : 101,623.28 = 40,934.43 : x
  2. Step 2: Convert to fraction form
    73,640.03/101,623.28 = 40,934.43/x
  3. Step 3: Cross multiply
    73,640.03x = 101,623.28 × 40,934.43
  4. Step 4: Simplify right side
    73,640.03x = 4,159,890,836.86
  5. Step 5: Solve for x
    x = 4,159,890,836.86/73,640.03
  6. Step 6: Final answer
    x = 56,489.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.