Home / 106,786.98-160,277.49-56,909.70

Finding the Fourth Proportional to 106,786.98, 160,277.49 and 56,909.70

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Solution

The fourth proportional to 106,786.98, 160,277.49 and 56,909.70 is: 85,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.98 : 160,277.49 = 56,909.70 : x
  2. Step 2: Convert to fraction form
    106,786.98/160,277.49 = 56,909.70/x
  3. Step 3: Cross multiply
    106,786.98x = 160,277.49 × 56,909.70
  4. Step 4: Simplify right side
    106,786.98x = 9,121,343,872.65
  5. Step 5: Solve for x
    x = 9,121,343,872.65/106,786.98
  6. Step 6: Final answer
    x = 85,416.25

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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.