Home / 124,861.34-172,308.94-68,272.86

Finding the Fourth Proportional to 124,861.34, 172,308.94 and 68,272.86

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Solution

The fourth proportional to 124,861.34, 172,308.94 and 68,272.86 is: 94,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,861.34 : 172,308.94 = 68,272.86 : x
  2. Step 2: Convert to fraction form
    124,861.34/172,308.94 = 68,272.86/x
  3. Step 3: Cross multiply
    124,861.34x = 172,308.94 × 68,272.86
  4. Step 4: Simplify right side
    124,861.34x = 11,764,024,137.37
  5. Step 5: Solve for x
    x = 11,764,024,137.37/124,861.34
  6. Step 6: Final answer
    x = 94,216.71

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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.