Home / 112,588.20-168,882.30-45,984.60

Finding the Fourth Proportional to 112,588.20, 168,882.30 and 45,984.60

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Solution

The fourth proportional to 112,588.20, 168,882.30 and 45,984.60 is: 68,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.20 : 168,882.30 = 45,984.60 : x
  2. Step 2: Convert to fraction form
    112,588.20/168,882.30 = 45,984.60/x
  3. Step 3: Cross multiply
    112,588.20x = 168,882.30 × 45,984.60
  4. Step 4: Simplify right side
    112,588.20x = 7,765,985,012.58
  5. Step 5: Solve for x
    x = 7,765,985,012.58/112,588.20
  6. Step 6: Final answer
    x = 68,976.90

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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.