Home / 73,187.32-109,715.36-26,429.26

Finding the Fourth Proportional to 73,187.32, 109,715.36 and 26,429.26

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Solution

The fourth proportional to 73,187.32, 109,715.36 and 26,429.26 is: 39,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.32 : 109,715.36 = 26,429.26 : x
  2. Step 2: Convert to fraction form
    73,187.32/109,715.36 = 26,429.26/x
  3. Step 3: Cross multiply
    73,187.32x = 109,715.36 × 26,429.26
  4. Step 4: Simplify right side
    73,187.32x = 2,899,695,775.43
  5. Step 5: Solve for x
    x = 2,899,695,775.43/73,187.32
  6. Step 6: Final answer
    x = 39,620.19

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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.