Home / 99,808.26-149,632.92-57,640.38

Finding the Fourth Proportional to 99,808.26, 149,632.92 and 57,640.38

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Solution

The fourth proportional to 99,808.26, 149,632.92 and 57,640.38 is: 86,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,808.26 : 149,632.92 = 57,640.38 : x
  2. Step 2: Convert to fraction form
    99,808.26/149,632.92 = 57,640.38/x
  3. Step 3: Cross multiply
    99,808.26x = 149,632.92 × 57,640.38
  4. Step 4: Simplify right side
    99,808.26x = 8,624,898,369.31
  5. Step 5: Solve for x
    x = 8,624,898,369.31/99,808.26
  6. Step 6: Final answer
    x = 86,414.68

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1.5x scale

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.