Home / 115,828.72-173,855.42-55,899.38

Finding the Fourth Proportional to 115,828.72, 173,855.42 and 55,899.38

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Solution

The fourth proportional to 115,828.72, 173,855.42 and 55,899.38 is: 83,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,828.72 : 173,855.42 = 55,899.38 : x
  2. Step 2: Convert to fraction form
    115,828.72/173,855.42 = 55,899.38/x
  3. Step 3: Cross multiply
    115,828.72x = 173,855.42 × 55,899.38
  4. Step 4: Simplify right side
    115,828.72x = 9,718,409,458.11
  5. Step 5: Solve for x
    x = 9,718,409,458.11/115,828.72
  6. Step 6: Final answer
    x = 83,903.28

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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.