Home / 72,950.03-109,381.23-28,523.86

Finding the Fourth Proportional to 72,950.03, 109,381.23 and 28,523.86

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Solution

The fourth proportional to 72,950.03, 109,381.23 and 28,523.86 is: 42,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.03 : 109,381.23 = 28,523.86 : x
  2. Step 2: Convert to fraction form
    72,950.03/109,381.23 = 28,523.86/x
  3. Step 3: Cross multiply
    72,950.03x = 109,381.23 × 28,523.86
  4. Step 4: Simplify right side
    72,950.03x = 3,119,974,891.15
  5. Step 5: Solve for x
    x = 3,119,974,891.15/72,950.03
  6. Step 6: Final answer
    x = 42,768.66

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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.