Home / 82,219.32-123,307.38-35,461.80

Finding the Fourth Proportional to 82,219.32, 123,307.38 and 35,461.80

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Solution

The fourth proportional to 82,219.32, 123,307.38 and 35,461.80 is: 53,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.32 : 123,307.38 = 35,461.80 : x
  2. Step 2: Convert to fraction form
    82,219.32/123,307.38 = 35,461.80/x
  3. Step 3: Cross multiply
    82,219.32x = 123,307.38 × 35,461.80
  4. Step 4: Simplify right side
    82,219.32x = 4,372,701,648.08
  5. Step 5: Solve for x
    x = 4,372,701,648.08/82,219.32
  6. Step 6: Final answer
    x = 53,183.38

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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.