Home / 67,960.08-101,922.30-30,499.20

Finding the Fourth Proportional to 67,960.08, 101,922.30 and 30,499.20

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Solution

The fourth proportional to 67,960.08, 101,922.30 and 30,499.20 is: 45,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,960.08 : 101,922.30 = 30,499.20 : x
  2. Step 2: Convert to fraction form
    67,960.08/101,922.30 = 30,499.20/x
  3. Step 3: Cross multiply
    67,960.08x = 101,922.30 × 30,499.20
  4. Step 4: Simplify right side
    67,960.08x = 3,108,548,612.16
  5. Step 5: Solve for x
    x = 3,108,548,612.16/67,960.08
  6. Step 6: Final answer
    x = 45,740.80

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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.