Home / 106,501.72-159,756.64-27,613.84

Finding the Fourth Proportional to 106,501.72, 159,756.64 and 27,613.84

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Solution

The fourth proportional to 106,501.72, 159,756.64 and 27,613.84 is: 41,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,501.72 : 159,756.64 = 27,613.84 : x
  2. Step 2: Convert to fraction form
    106,501.72/159,756.64 = 27,613.84/x
  3. Step 3: Cross multiply
    106,501.72x = 159,756.64 × 27,613.84
  4. Step 4: Simplify right side
    106,501.72x = 4,411,494,295.90
  5. Step 5: Solve for x
    x = 4,411,494,295.90/106,501.72
  6. Step 6: Final answer
    x = 41,421.81

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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.