Home / 118,106.88-162,983.44-67,118.69

Finding the Fourth Proportional to 118,106.88, 162,983.44 and 67,118.69

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Solution

The fourth proportional to 118,106.88, 162,983.44 and 67,118.69 is: 92,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,106.88 : 162,983.44 = 67,118.69 : x
  2. Step 2: Convert to fraction form
    118,106.88/162,983.44 = 67,118.69/x
  3. Step 3: Cross multiply
    118,106.88x = 162,983.44 × 67,118.69
  4. Step 4: Simplify right side
    118,106.88x = 10,939,234,788.26
  5. Step 5: Solve for x
    x = 10,939,234,788.26/118,106.88
  6. Step 6: Final answer
    x = 92,621.48

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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.