Home / 104,771.83-144,523.69-76,057.74

Finding the Fourth Proportional to 104,771.83, 144,523.69 and 76,057.74

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Solution

The fourth proportional to 104,771.83, 144,523.69 and 76,057.74 is: 104,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,771.83 : 144,523.69 = 76,057.74 : x
  2. Step 2: Convert to fraction form
    104,771.83/144,523.69 = 76,057.74/x
  3. Step 3: Cross multiply
    104,771.83x = 144,523.69 × 76,057.74
  4. Step 4: Simplify right side
    104,771.83x = 10,992,145,237.86
  5. Step 5: Solve for x
    x = 10,992,145,237.86/104,771.83
  6. Step 6: Final answer
    x = 104,915.08

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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.