Home / 87,658.00-120,958.41-53,675.06

Finding the Fourth Proportional to 87,658.00, 120,958.41 and 53,675.06

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Solution

The fourth proportional to 87,658.00, 120,958.41 and 53,675.06 is: 74,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658.00 : 120,958.41 = 53,675.06 : x
  2. Step 2: Convert to fraction form
    87,658.00/120,958.41 = 53,675.06/x
  3. Step 3: Cross multiply
    87,658.00x = 120,958.41 × 53,675.06
  4. Step 4: Simplify right side
    87,658.00x = 6,492,449,510.74
  5. Step 5: Solve for x
    x = 6,492,449,510.74/87,658.00
  6. Step 6: Final answer
    x = 74,065.68

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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.