Home / 92,942.85-128,262.29-50,502.09

Finding the Fourth Proportional to 92,942.85, 128,262.29 and 50,502.09

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Solution

The fourth proportional to 92,942.85, 128,262.29 and 50,502.09 is: 69,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.85 : 128,262.29 = 50,502.09 : x
  2. Step 2: Convert to fraction form
    92,942.85/128,262.29 = 50,502.09/x
  3. Step 3: Cross multiply
    92,942.85x = 128,262.29 × 50,502.09
  4. Step 4: Simplify right side
    92,942.85x = 6,477,513,198.13
  5. Step 5: Solve for x
    x = 6,477,513,198.13/92,942.85
  6. Step 6: Final answer
    x = 69,693.51

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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.