Home / 118,072.10-162,911.49-67,085.84

Finding the Fourth Proportional to 118,072.10, 162,911.49 and 67,085.84

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Solution

The fourth proportional to 118,072.10, 162,911.49 and 67,085.84 is: 92,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,072.10 : 162,911.49 = 67,085.84 : x
  2. Step 2: Convert to fraction form
    118,072.10/162,911.49 = 67,085.84/x
  3. Step 3: Cross multiply
    118,072.10x = 162,911.49 × 67,085.84
  4. Step 4: Simplify right side
    118,072.10x = 10,929,053,337.74
  5. Step 5: Solve for x
    x = 10,929,053,337.74/118,072.10
  6. Step 6: Final answer
    x = 92,562.54

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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.