Home / 73,003.53-109,506.20-28,651.17

Finding the Fourth Proportional to 73,003.53, 109,506.20 and 28,651.17

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Solution

The fourth proportional to 73,003.53, 109,506.20 and 28,651.17 is: 42,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.53 : 109,506.20 = 28,651.17 : x
  2. Step 2: Convert to fraction form
    73,003.53/109,506.20 = 28,651.17/x
  3. Step 3: Cross multiply
    73,003.53x = 109,506.20 × 28,651.17
  4. Step 4: Simplify right side
    73,003.53x = 3,137,480,609.00
  5. Step 5: Solve for x
    x = 3,137,480,609.00/73,003.53
  6. Step 6: Final answer
    x = 42,977.11

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1.5x scale

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.