Home / 80,623.10-111,257.48-46,166.68

Finding the Fourth Proportional to 80,623.10, 111,257.48 and 46,166.68

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Solution

The fourth proportional to 80,623.10, 111,257.48 and 46,166.68 is: 63,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,623.10 : 111,257.48 = 46,166.68 : x
  2. Step 2: Convert to fraction form
    80,623.10/111,257.48 = 46,166.68/x
  3. Step 3: Cross multiply
    80,623.10x = 111,257.48 × 46,166.68
  4. Step 4: Simplify right side
    80,623.10x = 5,136,388,476.77
  5. Step 5: Solve for x
    x = 5,136,388,476.77/80,623.10
  6. Step 6: Final answer
    x = 63,708.65

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1.5x scale

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.