Home / 73,183.12-109,772.10-31,036.12

Finding the Fourth Proportional to 73,183.12, 109,772.10 and 31,036.12

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Solution

The fourth proportional to 73,183.12, 109,772.10 and 31,036.12 is: 46,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,183.12 : 109,772.10 = 31,036.12 : x
  2. Step 2: Convert to fraction form
    73,183.12/109,772.10 = 31,036.12/x
  3. Step 3: Cross multiply
    73,183.12x = 109,772.10 × 31,036.12
  4. Step 4: Simplify right side
    73,183.12x = 3,406,900,068.25
  5. Step 5: Solve for x
    x = 3,406,900,068.25/73,183.12
  6. Step 6: Final answer
    x = 46,553.09

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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.