Home / 73,295.05-109,942.58-66,515.35

Finding the Fourth Proportional to 73,295.05, 109,942.58 and 66,515.35

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Solution

The fourth proportional to 73,295.05, 109,942.58 and 66,515.35 is: 99,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,295.05 : 109,942.58 = 66,515.35 : x
  2. Step 2: Convert to fraction form
    73,295.05/109,942.58 = 66,515.35/x
  3. Step 3: Cross multiply
    73,295.05x = 109,942.58 × 66,515.35
  4. Step 4: Simplify right side
    73,295.05x = 7,312,868,856.03
  5. Step 5: Solve for x
    x = 7,312,868,856.03/73,295.05
  6. Step 6: Final answer
    x = 99,773.03

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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.