Home / 116,821.58-161,213.84-63,106.58

Finding the Fourth Proportional to 116,821.58, 161,213.84 and 63,106.58

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Solution

The fourth proportional to 116,821.58, 161,213.84 and 63,106.58 is: 87,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,821.58 : 161,213.84 = 63,106.58 : x
  2. Step 2: Convert to fraction form
    116,821.58/161,213.84 = 63,106.58/x
  3. Step 3: Cross multiply
    116,821.58x = 161,213.84 × 63,106.58
  4. Step 4: Simplify right side
    116,821.58x = 10,173,652,969.47
  5. Step 5: Solve for x
    x = 10,173,652,969.47/116,821.58
  6. Step 6: Final answer
    x = 87,087.11

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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.