Home / 116,923.16-161,315.70-71,553.83

Finding the Fourth Proportional to 116,923.16, 161,315.70 and 71,553.83

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Solution

The fourth proportional to 116,923.16, 161,315.70 and 71,553.83 is: 98,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,923.16 : 161,315.70 = 71,553.83 : x
  2. Step 2: Convert to fraction form
    116,923.16/161,315.70 = 71,553.83/x
  3. Step 3: Cross multiply
    116,923.16x = 161,315.70 × 71,553.83
  4. Step 4: Simplify right side
    116,923.16x = 11,542,756,174.13
  5. Step 5: Solve for x
    x = 11,542,756,174.13/116,923.16
  6. Step 6: Final answer
    x = 98,720.87

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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.