Home / 79,330.90-109,474.67-44,405.06

Finding the Fourth Proportional to 79,330.90, 109,474.67 and 44,405.06

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Solution

The fourth proportional to 79,330.90, 109,474.67 and 44,405.06 is: 61,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330.90 : 109,474.67 = 44,405.06 : x
  2. Step 2: Convert to fraction form
    79,330.90/109,474.67 = 44,405.06/x
  3. Step 3: Cross multiply
    79,330.90x = 109,474.67 × 44,405.06
  4. Step 4: Simplify right side
    79,330.90x = 4,861,228,520.43
  5. Step 5: Solve for x
    x = 4,861,228,520.43/79,330.90
  6. Step 6: Final answer
    x = 61,277.87

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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.