Home / 87,313.88-120,491.55-48,554.10

Finding the Fourth Proportional to 87,313.88, 120,491.55 and 48,554.10

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Solution

The fourth proportional to 87,313.88, 120,491.55 and 48,554.10 is: 67,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,313.88 : 120,491.55 = 48,554.10 : x
  2. Step 2: Convert to fraction form
    87,313.88/120,491.55 = 48,554.10/x
  3. Step 3: Cross multiply
    87,313.88x = 120,491.55 × 48,554.10
  4. Step 4: Simplify right side
    87,313.88x = 5,850,358,767.86
  5. Step 5: Solve for x
    x = 5,850,358,767.86/87,313.88
  6. Step 6: Final answer
    x = 67,003.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.