Home / 116,821.83-161,213.99-63,106.84

Finding the Fourth Proportional to 116,821.83, 161,213.99 and 63,106.84

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Solution

The fourth proportional to 116,821.83, 161,213.99 and 63,106.84 is: 87,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,821.83 : 161,213.99 = 63,106.84 : x
  2. Step 2: Convert to fraction form
    116,821.83/161,213.99 = 63,106.84/x
  3. Step 3: Cross multiply
    116,821.83x = 161,213.99 × 63,106.84
  4. Step 4: Simplify right side
    116,821.83x = 10,173,705,472.69
  5. Step 5: Solve for x
    x = 10,173,705,472.69/116,821.83
  6. Step 6: Final answer
    x = 87,087.37

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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.