Home / 118,072.92-162,940.50-64,358.04

Finding the Fourth Proportional to 118,072.92, 162,940.50 and 64,358.04

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Solution

The fourth proportional to 118,072.92, 162,940.50 and 64,358.04 is: 88,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,072.92 : 162,940.50 = 64,358.04 : x
  2. Step 2: Convert to fraction form
    118,072.92/162,940.50 = 64,358.04/x
  3. Step 3: Cross multiply
    118,072.92x = 162,940.50 × 64,358.04
  4. Step 4: Simplify right side
    118,072.92x = 10,486,531,216.62
  5. Step 5: Solve for x
    x = 10,486,531,216.62/118,072.92
  6. Step 6: Final answer
    x = 88,814.02

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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.