Home / 73,140.81-109,645.53-26,382.75

Finding the Fourth Proportional to 73,140.81, 109,645.53 and 26,382.75

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Solution

The fourth proportional to 73,140.81, 109,645.53 and 26,382.75 is: 39,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.81 : 109,645.53 = 26,382.75 : x
  2. Step 2: Convert to fraction form
    73,140.81/109,645.53 = 26,382.75/x
  3. Step 3: Cross multiply
    73,140.81x = 109,645.53 × 26,382.75
  4. Step 4: Simplify right side
    73,140.81x = 2,892,750,606.61
  5. Step 5: Solve for x
    x = 2,892,750,606.61/73,140.81
  6. Step 6: Final answer
    x = 39,550.43

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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.