Home / 75,890.81-113,834.64-25,293.51

Finding the Fourth Proportional to 75,890.81, 113,834.64 and 25,293.51

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Solution

The fourth proportional to 75,890.81, 113,834.64 and 25,293.51 is: 37,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,890.81 : 113,834.64 = 25,293.51 : x
  2. Step 2: Convert to fraction form
    75,890.81/113,834.64 = 25,293.51/x
  3. Step 3: Cross multiply
    75,890.81x = 113,834.64 × 25,293.51
  4. Step 4: Simplify right side
    75,890.81x = 2,879,277,605.19
  5. Step 5: Solve for x
    x = 2,879,277,605.19/75,890.81
  6. Step 6: Final answer
    x = 37,939.74

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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.