Home / 87,191.07-120,360.24-58,935.03

Finding the Fourth Proportional to 87,191.07, 120,360.24 and 58,935.03

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Solution

The fourth proportional to 87,191.07, 120,360.24 and 58,935.03 is: 81,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,191.07 : 120,360.24 = 58,935.03 : x
  2. Step 2: Convert to fraction form
    87,191.07/120,360.24 = 58,935.03/x
  3. Step 3: Cross multiply
    87,191.07x = 120,360.24 × 58,935.03
  4. Step 4: Simplify right side
    87,191.07x = 7,093,434,355.21
  5. Step 5: Solve for x
    x = 7,093,434,355.21/87,191.07
  6. Step 6: Final answer
    x = 81,355.06

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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.