Home / 73,176.40-109,711.39-49,425.07

Finding the Fourth Proportional to 73,176.40, 109,711.39 and 49,425.07

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Solution

The fourth proportional to 73,176.40, 109,711.39 and 49,425.07 is: 74,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,176.40 : 109,711.39 = 49,425.07 : x
  2. Step 2: Convert to fraction form
    73,176.40/109,711.39 = 49,425.07/x
  3. Step 3: Cross multiply
    73,176.40x = 109,711.39 × 49,425.07
  4. Step 4: Simplify right side
    73,176.40x = 5,422,493,130.55
  5. Step 5: Solve for x
    x = 5,422,493,130.55/73,176.40
  6. Step 6: Final answer
    x = 74,101.67

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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.