Home / 87,231.88-120,259.06-58,892.68

Finding the Fourth Proportional to 87,231.88, 120,259.06 and 58,892.68

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Solution

The fourth proportional to 87,231.88, 120,259.06 and 58,892.68 is: 81,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,231.88 : 120,259.06 = 58,892.68 : x
  2. Step 2: Convert to fraction form
    87,231.88/120,259.06 = 58,892.68/x
  3. Step 3: Cross multiply
    87,231.88x = 120,259.06 × 58,892.68
  4. Step 4: Simplify right side
    87,231.88x = 7,082,378,337.68
  5. Step 5: Solve for x
    x = 7,082,378,337.68/87,231.88
  6. Step 6: Final answer
    x = 81,190.25

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1.5x scale

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.