Home / 92,744.36-139,313.24-87,345.44

Finding the Fourth Proportional to 92,744.36, 139,313.24 and 87,345.44

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Solution

The fourth proportional to 92,744.36, 139,313.24 and 87,345.44 is: 131,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,744.36 : 139,313.24 = 87,345.44 : x
  2. Step 2: Convert to fraction form
    92,744.36/139,313.24 = 87,345.44/x
  3. Step 3: Cross multiply
    92,744.36x = 139,313.24 × 87,345.44
  4. Step 4: Simplify right side
    92,744.36x = 12,168,376,245.63
  5. Step 5: Solve for x
    x = 12,168,376,245.63/92,744.36
  6. Step 6: Final answer
    x = 131,203.41

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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.