Home / 73,151.10-109,653.21-49,788.54

Finding the Fourth Proportional to 73,151.10, 109,653.21 and 49,788.54

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Solution

The fourth proportional to 73,151.10, 109,653.21 and 49,788.54 is: 74,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.10 : 109,653.21 = 49,788.54 : x
  2. Step 2: Convert to fraction form
    73,151.10/109,653.21 = 49,788.54/x
  3. Step 3: Cross multiply
    73,151.10x = 109,653.21 × 49,788.54
  4. Step 4: Simplify right side
    73,151.10x = 5,459,473,232.21
  5. Step 5: Solve for x
    x = 5,459,473,232.21/73,151.10
  6. Step 6: Final answer
    x = 74,632.82

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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.